Do you proactively change your water pump?. The fault is recognized when the electric water pump deactivates in response to recognized seizure. If the liquid is blue in color, it’s quite possible that you have a coolant leak. Doug Huffman Nuclear engineer. When the water pump goes bad, it may leak from the axle sealing or any gasket. Overheating (you can tell by visually inspecting or by dash warnings) Cooling fan running on high constantly Car going into limp mode. Symptoms Of A Bad Water Pump The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. None of these are necessarily significant issues, and the majority of the components. The main issues include high pressure fuel pump malfunction, serpentine belt failure, major oil leaks, clogged fuel injectors, water pump failure, and turbocharger failure. The following symptoms may indicate that the water pump in your N55 has failed. Its the lack of codes and the apparent. Unfortunately, a water pump failure is an issue that plagues all BMWs and not just the N55. One of the most common failures on all BMWs with the N54 (and early N55) engine is the high-pressure fuel pump, regularly referred to as the HPFP. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy). This is the 2nd water pump replacement at 135k miles. Every fifty to sixty-thousand miles you should be replacing. How to Test electric Water pump in BMW before Replacing your Water pump & thermostat / Get Fixed Get Fixed 82K views 3 years ago BMW Overheating? Check this first! Timms BMW Repairs and. Paid $450 for the check-ups and battery replacement. How To Replace A BMW F30 High. The water pump used in the 2007-2015 N54 and N55 turbo 6-cylinder cars is electric and plays a vital role in managing temperatures for multiple systems throughout the car. My commuting time is about 45 minute (35miles) X2. Owners report their water pumps failing in as little as 50,000 miles, despite there being no specific interval recommended by the manufacturer. 38A4 Intelligent battery sensor (IBS): communication fault 4. Eventually, these gaskets and seals will wear out, dry up, crack or break. WATER PUMP TEST AND SYSTEM BLEED. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails; Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap; N55 CEL Codes for Failing Water Pump: 2E81, 2E82, 2E83, 2E84, 2E85; 377A; Remember to check fuses; Replacement Part. The most of your concern are valve cover gaskets, oil filter cooler gaskets, and other long term wear items. Just replaced my water pump and thermostat on my 2013 (N55) with 116,000km (72,000 miles). Water pump failure is not exclusive to just the N55. Symptoms - N55 Valve Cover and Gasket Leak Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The Positive Crankcase Ventilation Valve is another component related to the valve cover and gasket (PCV valve). N55 Valve Cover and Gasket Leak Symptoms: Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The same exact valve. Coolant Leak at the Front-Center of your Car The water pump is comprised of multiple gaskets and seals that keep coolant contained and ensure that consistent flow of coolant is delivered from the radiator to the engine. F40Model Year: 2019 + I have a N55 335i and drove the car for about 15 miles and got the yellow engine temperature warning at 240 degrees Fahrenheit then went about 2 blocks forward and got the red engine temperature warning and the car went into limp mode and asked that I. You can sometimes also hear a squealing noise coming from the water pump if the bearings are bad. Suspension and Brakes E90 was available with 2 options when it came to suspension systems, factory, and sport. BMW Bad Thermostat Symptoms. Additionally, BMW learned quite a bit from the initial problems with the previous N54 engine and remedied common problems like failing high-pressure fuel pumps and wastegate rattle. Next, reconnect the fuel lines to the pump. Failure of Electric Water Pump in BMW >What Factors Lead to Failure of Electric Water Pump in BMW. Leaking Oil Filter Housing Gasket. So here are some signs and clues that can indicate your water pump has failed! Its hard to predict when these things go out so its. There are no symptoms of an impending water pump failure unless it’s electrical. The problem is the pump costs $400 just for the part. So I finally got the infamous water pump failure at 110k on the odometer, thought Id share my story. They checked the water pump and for leaks, and found water pump working completely fine and everything was good. Symptoms of Issues With Your BMW’s Coolant System. The car has never indicated that there was a threat of over heating. Water pump problems in the BMW N55 engine. The N55 uses an electric water pump designed to last 65-75,000 miles. If they failed shut the engine would almost immediately overheat. Here are 5 signals that a BMW water pump failure is imminent: 1. SOLVED Losing fuel pressure and my sanity. N55: What Are the Differences? • Road Sumo>BMW N54 vs. Typically, the control module fails inside the pump rendering it useless. Not surprised either since it was the original factory water pump! So I. In the case of a leak, the coolant fluid is burned during the combustion process. Symptoms Of A Bad Water Pump The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. To fix it, I replaced the water pump and thermostat with Genuine BMW (Continental) parts from Turner. The 5 Most Common BMW N55 Engine Problems. The twin-turbo and twin-scroll setups of the N54 and N55 (respectively) provide the following: Excellent throttle response, Minimal input lag if any, and A wide powerband. The 7 Most Common BMW N52 Engine Problems. The issue: Water pump failure (Electric coolant pump failure). The 8 Most Common BMW N54 Engine Problems. So the HPFP decided to call it quits and made me order a new one. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails; Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap; N55 CEL Codes for Failing Water Pump: 2E81, 2E82, 2E83, 2E84, 2E85; 377A; Remember to check fuses; Replacement Part. Have N55 water pumps become more reliable? : r/BmwTech. BMW N54 HPFP Failure Symptoms: Long crank time (slow engine start) Check engine light illuminated Car enters limp mode, and runs poorly with decreased power N54 HPFP Failure CEL Codes: These are common codes, certain ones might not indicate a failed HPFP (such as a cylinder misfire code). How To Replace The Water Pump And Thermostat On A BMW N54. The water pump is comprised of multiple gaskets and seals that keep coolant contained and. N55 — Turbocharged Reliability – Genuine and OEM >BMW N55 — Turbocharged Reliability – Genuine and OEM. Bmw is using electric water pumps on n54 and n55 engines and those pumps have a short lifespan(+- 50. I think that may be a big factor in deciding. Additionally, BMW learned quite a bit from the initial problems with the previous N54. If your engine is not maintained well, the solenoids can also become coated in oil which can cause problems to the engine. Coolant Leak at the Front-Center of your Car. BMW N54/N55 HPFP Failure Symptoms + Install. If drops to zero the pump is toast. Hold the fuel pump in place while you thread in both mounting bolts by hand. 378F BSD, message (electric coolant pump): Missing 2. The common water pump problems are a usually found on most bmw engines and not only. DIY: Understanding the N55 PCV Valve of Doom. Also, the battery was dead, and I mean like completely expired, which I expected. BMW N55 — Turbocharged Reliability – Genuine and OEM. Water pump failures on these cars are very common. When the water pump goes, it typically takes fuse number 11 (Terminal 87_1). The Definitive Guide To The BMW N55 Engine. Potential problem: - Foreign matter/contamination in coolant My Car gave me the overheat warning which required me to pull over after 150 miles of driving and turn the car off. Coolant temp 257F and limp mode. The twin-turbo and twin-scroll setups of the N54 and N55 (respectively) provide the following: Excellent throttle response, Minimal input lag if any, and A wide powerband. Modern water pumps seem to be made of paper mache, and the BMW N55 isn’t immune to this problem. N55 Cooling System Problems: Water Pump Expect the N55 water pump to fail prior to 100,000 miles. Symptoms Of A Bad Water Pump The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. These are some of the most common symptoms of electric water pump failure in a BMW: LEAKING COOLANT As the water pump begins to wear with age, it’s normal for the various seals and gaskets to also wear out. ago “If maintained properly” care to expand on that? 2 Reply chicohot • 3 yr. Includes replacement one-time-use aluminum water pump retaining bolts. The next in our list of BMW N55 engine problems is the water pump failure. BMW N55 Tuning & Performance Mod Guides. Understandably, this is a part that will wear out in time. Water pump failures on these cars are very common. Bmw 335i Water Pump Failure Test - YouTube 0:00 / 1:57 Bmw 335i Water Pump Failure Test Sergey Kostenko 29 subscribers Subscribe 137 Share Save 10K views 5 years ago This video. The white exhaust smoke is caused by a coolant leak under the hood. The N55 PCV system is permanently integrated/sealed into the valve cover and is generally non-serviceable but an understanding of the function and fault diagnosis may be useful to some so I will attempt to explain the method of operation. Worse yet, the engine can experience minor overheating events as coolant is lost, causing issues that you may not immediately notice. N55 is a reliable engine if it maintained properly. How the problem began: The water pump turned on (noisy whirring sound) when unlocking the car prior to turning the car on. When the HPFP starts to fail, its common for the car to go into limp mode, and in severe cases can leave you stranded waiting for a tow. Just a brief video of N54/N55 HPFP failure symptoms along with a rough bit of install. Waterpump failure? Bimmerpost ☰ Model Selection. Unstable engine temperature is also common. This is the most dangerous type of failure because an overheating engine can cause major damage, including head gasket failure and cracks in radiators and cooling system components. Water Pump Failure. Here is a more detailed list of the signs of a bad or failing water pump to look for: 1. That is a nice savings to do DIY. Im inclined to leave it alone because it appears to be working well but I thought Id see what the consensus was among owners. So I am not sure that my car actually has any problem at all, but I am considering the repair to prevent a problem on the road and an expensive tow to the nearest dealer. These are some of the most common symptoms of electric water pump failure in a BMW: LEAKING COOLANT As the water pump begins to wear with age, it’s normal for the various seals and gaskets to also wear out. OK after several searches, I have read of many failures of water pumps on the N54 cars, and also a few water pump failures on N55 cars. The N55 PCV system is permanently integrated/sealed into the valve cover and is generally non-serviceable but an understanding of the function and fault diagnosis may be useful to some so I will attempt to explain the method of operation. Symptoms will include slight stuttering during acceleration. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails; Cooling Fan running full speed. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Coolant temp 257F and limp mode. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap. BMW N55 WMI – N55 Water Methanol Injection Guide By Zach Mayock February 28, 2021 We finally wrote some methanol injection guides for the N54 and B58 engines a couple of months back. All these parts work together to maintain the proper engine temperature. electric fan hard and all the time. N55 VANOS Solenoid Failure. Your N55 has an electric water pump that is prone to failure around 70k miles. The main issues include high pressure fuel pump malfunction, serpentine belt failure, major oil leaks, clogged fuel injectors, water pump failure, and turbocharger failure. Reply Save Like DSXMachina · #3 · Mar 4, 2013 floydarogers said:. Overheating can happen quickly as coolant leaks out of the system. Water Pump for E-series N55 - $389. The water pump is comprised of multiple gaskets and seals that keep coolant contained and ensure that consistent flow of coolant is delivered from the radiator to the engine. A failing water pump can be catastrophic if. Cerrone’s European is Here to Help. The water pump that the N55 uses is electric. Symptoms of a failed BMW F30 electric water pump or thermostat: Engine fan continually running on high High coolant temperature error message Vehicle taking longer than usual to get to operating temperature 2E81, 2E82, or 2E85 fault code for the water pump Engine overheating Ignoring the signs of a failing water pump can cause. Follow along with BMW Catalog Manager, Gareth Foley as he replaces a water pump and thermostat in an N54 powered 2011 335is. A failing water pump can be catastrophic if left unchecked. Is the BMW N54 Engine Reliable?. See more Reply Save Like 2 P purpleflyhunter Discussion Starter · #11 · Mar 18, 2021. Every fifty to sixty-thousand miles you should be replacing the water pump on your BMW if it has the N54 engine. symptoms of thermostat failure. None of them should be overlooked as a water pump that has completely failed can cause. Bmw 335i Water Pump Failure Test - YouTube 0:00 / 1:57 Bmw 335i Water Pump Failure Test Sergey Kostenko 29 subscribers Subscribe 137 Share Save 10K views 5 years ago This video. The water pump will help to re-circulate coolant to cool down the engine after a long day of driving. 6 Symptoms Of A Bad Water Pump – Function & Location. Modern water pumps seem to be made of paper mache, and the BMW N55 isn’t immune to this problem. BMW N54/N55 HPFP Failure Symptoms + Install Mitch Nucifora 3K subscribers Subscribe 181 20K views 2 years ago Hey guys! So the HPFP decided to call it quits and made me order a new one. In general the N55 water pump failures seemed to be on N55 cars in the Xi 4WD configuration located in the northern US or Canada. If the liquid is blue in color, its quite possible that you have a coolant leak. N55 VALVE COVER AND GASKET LEAK SYMPTOMS Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The same exact valve cover leaks were also appearing on high mileage older N54 engines. Now it’s time to show the N55 some love and discuss water-methanol injection. The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. The N55 uses an electric water pump designed to last 65-75,000 miles. Before you shake your fist at the man for keeping you down Ill point out that the PCV valve is not. It also has a particularly short lifespan. Water pump failure is most commonly noticeable in the overheating of the engine, which can lead to. If that’s the case, you will be able to check for a drop in coolant flow, N55 VANOS Solenoid Failure Every time your engine is running, the VANOS solenoids are at work. One of the most common failures on all BMWs with the N54 (and early N55) engine is the high-pressure fuel pump, regularly referred to as the HPFP. Your should hear the fan kick on full speed when that happens According to BMW: The engine control unit controls the coolant pump according to requirements: low output in connection with low cooling requirements and low outside temperatures; high output in connection. N55 water pumps are not a common failure. This pump has an internal fault where an o-ring breaks and causes a pressure loss inside the pump. Lately Ive been reading all the posts about the N55 water pump failures and I was wondering whether I should proactively change the pump and thermostat or just wait for them to fail. High Mileage N55 : r/BmwTech. BMW N54 (X5, 335i, & More) Electric Water Pump - Failure Symptoms, Fitment and Product Review. Symptoms will include slight stuttering during acceleration. Each of these common issues can become very expensive to fix. Now that you know the most common causes of water pump failure, it will be easy to notice the symptoms in your BMW. Oil filter gaskets are somewhat common but is not an expensive part. When the HPFP starts to fail, its common for the car to go into limp mode, and in severe cases can leave you stranded waiting for a tow. However, because its electric, when it fails. N55 E92 water pump failure. This causes the car to blast the radiator fan to full power and go into limp mode. In more severe cases, head bolts can strip the weak threads in the aluminum block of an M54 model engine. Symptoms - N55 Valve Cover and Gasket Leak Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The Positive Crankcase Ventilation Valve is another component. Namely, loss of power, hesitation, rough idle, limp mode, and. Symptoms Of A Bad Water Pump. Follow along with BMW Catalog Manager, Gareth Foley as he replaces a water pump and thermostat in an N54 powered 2011 335is. Here are 5 common symptoms of a bad water pump: 1. This is the most dangerous type of failure because an overheating engine can cause major damage, including head gasket failure and cracks in radiators and cooling system components. How to Test electric Water pump in BMW before Replacing your Water pump & thermostat / Get Fixed Get Fixed 82K views 3 years ago BMW Overheating? Check this first! Timms. The N55, with its twin-scroll setup, can reach its top torque output 100rpm sooner than its predecessor. Gotta call the shop to see if their water pump has the same lifetime replacement as FCPEuro. In addition to the SES, if it does fail open, you wont have much heat from the heater. A little early if you ask me! The clue was the engine fan periodically surging on short acceleration during city driving. One of the most common failures on all BMWs with the N54 (and early N55) engine is the high-pressure fuel pump, regularly referred to as the HPFP. VANOS solenoid failure 2015 BMW M235i / BMW Related. Intake valves and ports should be inspected, and the carbon should be removed with a process called walnut blasting. However, you will not notice this when both are on the road. There are no symptoms of an impending water pump failure unless it’s electrical. BMW has had multiple recalls for this HPFP on the N54. Symptoms of N52 Water Pump Failure Engine overheating (even when just idling) Leaking coolant Steam coming from the radiator. N55 is a reliable engine if it maintained properly. Battery dying/ water pump on after car has been turned. Here are 5 common symptoms of a bad water pump: 1. Symptoms of a Bad or Failing Water Pump. BMW N55 Engine Problems, Specs And Reliability!. The fault is recognized when the electric water pump deactivates in response to recognized seizure. So overheating is also a strain on the battery. BMW N55 — Turbocharged Reliability – Genuine and OEM …. A failing water pump can be catastrophic if left unchecked. Theyre designed to fail open; this keeps coolant flowing. Water Pump for E-series N55 – $389. Here are 5 signals that a BMW water pump failure is imminent: 1. Fan operation does not appear to be correlated to any particular coolant temp; meaning, the fan runs on its own mindset. Water pump problems in the BMW N55 engine. Proper diagnosis is only possible when the fault code becomes persistent. N55 water pumps are not a common failure. How To Replace A BMW F30 Water Pump & Thermostat (BMW …. Symptoms Of A Bad Water Pump. Now it’s time to show the N55 some love and discuss water-methanol injection. Use a T30 socket to walk the bolts into the head evenly until they are tight. Explanation: the BSD or bit serial data bus system links several components together on the N54: alternator, IBS, water pump, oil condition sensor, and DME. Unfortunately for owners, replacement is the only fix, and the pump is quite expensive. N55 water pumps are not a common failure. The four most common issues with the N55 are the valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids, in no particular order. If there is smoke, it is caused by oil dripping onto the exhaust manifold and then burning off. The N55 uses an electric water pump designed to last 65-75,000 miles. Once it has burned, what is left is white smoke. Making this engine quite lightweight compared to other engines in its class. The coolant system is made up of many parts, including the radiator, water pump, thermostat, fan, and a series of hoses that connect everything together. If your thermostat fails, the Service Engine Soon light will come on. N55 VALVE COVER AND GASKET LEAK SYMPTOMS Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The same exact valve cover leaks were also appearing on high mileage older N54 engines. If the water pump is dying or dead the car trys to compensate by running the. BMW N55 WMI – N55 Water Methanol Injection Guide By Zach Mayock February 28, 2021 We finally wrote some methanol injection guides for the N54 and B58 engines a couple of months back. Not surprised either since it was the original factory water pump! So I was on the way to work on the highway and my heater suddenly started blowing ice cold air and I could hear the fan at the front of the car. N55 doesn’t have nearly the same issues as the N54 because it was released to fix those issues. N55 VANOS Solenoid Failure. The ECU activates the pump via a CanBus signal, which a control module in the pump then interprets. Every time your engine is running, the VANOS solenoids are at work. I would replace the water pump and thermostat as soon as I could. Some last longer and some dont last that long. N55 doesn’t have nearly the same issues as the N54 because it was released to fix those issues. None of them should be overlooked as a water pump that has completely failed can cause irreparable damage to your engine. BMW N54 Water Pump and Thermostat. If I accelerate for more than a couple of seconds the engine shakes and violently jerks the car, cutting the turbos out and shutting off the HPFP. Unfortunately, a water pump failure is an issue that plagues all BMWs and not just the N55. Symptoms typically include 1) leaking oil on the side of the head, 2) potentially a burning oil smell, and 3) in worst-case scenarios you may have smoke coming from the engine bay. 5 Things That Might Signal an Imminent BMW Water Pump Failure. Understanding the N55 PCV Valve of Doom. If that’s the case, you will be able to check for a drop in coolant flow, N55 VANOS Solenoid Failure Every time your engine is running, the VANOS solenoids are at work. Symptoms Of A Bad Water Pump The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. In general the N55 water pump failures seemed to be on N55 cars in the Xi 4WD configuration located in the northern US or Canada. You can sometimes also hear a squealing noise coming from the water pump if the bearings are bad. This changed later, as BMW revised the N55 engine for use in the F87 M2. N55 Water Pump Failure SymptomsThis is a problem that most BMW engines have. N55 E92 water pump failure. N55 Valve Cover and Gasket Leak Symptoms: Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The same exact valve cover leaks were also appearing on high mileage older N54 engines. Since it is not belt driven, youd expect it not to fail for the life of the car. In general the N55 water pump failures seemed to be on N55 cars in the Xi 4WD configuration located in the northern US or Canada. How to Test electric Water pump in BMW before Replacing your Water pump & thermostat / Get Fixed Get Fixed 82K views 3 years ago BMW Overheating? Check this first! Timms BMW Repairs and. Location: Fulshear, TX, US. Despite the widespread belief that BMWs are unreliable, the BMW N55 engine is surprisingly dependable. The replacement kit from FCPEuro is $415. In addition directly on the valve cover is the Positive Crankcase Ventilation Valve (PCV valve). Water Pump - With Installation Hardware N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Most of the time you get no codes or warning. Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap. Symptoms - N55 Valve Cover and Gasket Leak Low engine oil light Burning oil smells, or smoke coming from valve cover area Oil on spark plug threads The Positive Crankcase Ventilation Valve is another component related to the valve cover and gasket (PCV valve). Your N55 has an electric water pump that is prone to failure around 70k miles. N55 E92 water pump failure. Also, the battery was dead, and I mean like completely expired, which I expected. How To Replace The Water Pump And Thermostat On A BMW …. The ECU activates the pump via a CanBus signal, which a control module in the pump then interprets. Thread on the low-pressure line before bringing the new high-pressure line onto the engine. If that’s the case, you will be able to check for a drop in coolant flow, Replacement Water Pumps can be found on eBay Motors & Amazon. As long as it was cared for and you are ready to regularly maintain it on your own or through a shop, then it should be fine. 53 inches and the bore of the cylinders is 3. So here are some signs and clues that can indicate your water pump has failed! Its hard to predict when these things go. After that driving, transmission oil temp around 100C and engine oil temp 107~110C. Our N54/ N55 water pumps fail approximately every 50-80k miles. Now let’s move on to the next BMW N55 engine problems. Symptoms of Coolant System Issues. But this really isnt a mystery. If driving traffics jam, transmission oil temp reach 120C and engine oil temp over 115C. It’s relatively uncommon for them to go much past that. BMW N54 (X5, 335i, & More) Electric Water Pump. Here are 5 common symptoms of a bad water pump: 1. Just a brief video of N54/N55 HPFP failure symptoms along with a rough bit of inst. Symptoms Of A Bad Water Pump. If the pump is electrically degrading slowly, this can be easily determined by observing the coolant flow in the cooling system; a failing pump will not flow coolant at the desired pressure. Signs of N55 Water Pump Failure: Engine overheating significantly - usually rapid over-heating once the pump fails; Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap; N55 CEL Codes for Failing Water Pump: 2E81, 2E82, 2E83, 2E84, 2E85; 377A; Remember to check fuses; Replacement Part. N55 VANOS Solenoid Failure. So I finally got the infamous water pump failure at 110k on the odometer, thought Id share my story. The N55 engine block and the head are made of aluminum. It’s an excellent source of fueling for the N55, and also helps the engine run cooler. Symptoms of a failing BMW N54 water pump are pretty easy to spot. Additionally, a sign that can point to an issue with the entire coolant system is white exhaust smoke. Hey guys! So the HPFP decided to call it quits and made me order a new one. Failure of one BSD component takes down communication over the data bus and causes other BSD components to misbehave. BMW N54 (X5, 335i, & More) Electric Water Pump - Failure Symptoms, Fitment and Product Review. N55 Engine Problems, Specs And Reliability!>BMW N55 Engine Problems, Specs And Reliability!. N55 Water pump error code. Because the engine computer regulates engine temperatures, the water pump only needs to work when it has to (including after the car has been turned off). I could hear it begin to whir as I approached the car from a distance. Why I checked water pump rpm due to transmission oil temp and engine oil temp. Lately Ive been reading all the posts about the N55 water pump failures and I was wondering whether I should proactively change the pump and thermostat or just wait for them to fail. Coolant Leaks If you notice leaking liquid coming from the front part of your car, you should always pay attention to it, as it may be a symptom of problems yet-to-come. So, why a water pump failure? This situation can result in a number of symptoms. You can sometimes also hear a squealing noise. The N55 has an electric water pump, unlike most cars where the pump is driven by the engine. Since the water pump deals with moving fluid around the engine to keep it from overheating, common signs of failure are an overheating or hot engine, leaking fluids, or steam coming from the engine. We recommend getting a new water pump that has a metal impeller, since we see the impeller being a common cause of failure. Additionally, a sign that can point to an issue with the entire coolant system is white exhaust smoke. Brand: ES#: 2622809 Mfg#: 11517632426KT1 Qty: Availability: In Stock $403. Series E90 Common Problems and Solutions>BMW 3. Owners report their water pumps failing in as little as 50,000 miles, despite there being no specific interval recommended by the manufacturer. iTrader: ( 0) N55 Water Pump Failure. Imminent BMW Water Pump Failure>5 Things That Might Signal an Imminent BMW Water Pump Failure. Water pumps usually fail around the 80k mile mark. Its hard justify replacement at 100K, or whatever mileage, since there is no information from BMW as to the mean time between failure of the pump. Symptoms of a failing BMW N54 water pump are pretty easy to spot. BMW N54/N55 High Pressure Fuel Pump Kit. If drops to zero the pump is toast. 49 Add to Cart Free Shipping N54 N55 Water Pump - With Installation Hardware. Water pumps are re-circulating coolant to cool down your engine temperature. Water Pump - With Installation Hardware N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. It’s an excellent source of fueling for the N55, and also helps. Water Pump Failure; Leaking Oil Filter Housing Gasket; VANOS Solenoid Failure; High Pressure Fuel Pump Failure (HPFP) - Mostly comes up on older models; Fueling system insufficiency (Can not hold more than +- 500hp) but you can compensate with Water Meth Injection up to one level. Unfortunately, a water pump failure is an issue that plagues all BMWs and not just the N55. The most common symptoms of a bad water pump are coolant leaks under your car and an overheating engine. Ultimate BMW N55 Engine Guide. Smokeyyy is correct on DME. Rail pressure drops and matches the low-pressure fuel pump (85 psi). Just a brief video of N54/N55 HPFP failure symptoms along with a rough bit of inst. G has some great tips and trick. Its common for them to fail around this mileage, and when it does, diagnosis is simple as it results in a fault code you can access via a. Water Pump Failure – BMW N55 Engine Problems. Water pumps usually fail around the 80k mile mark. 2011 535 f10 N55 Water Pump Mystery. They do provide warning by telling you in the Idrive. These electric pumps have a higher probability of failure over a traditional one, and the problems can worsen over time without proper maintenance. The N55 engine block and the head are made of aluminum. 3446 BSD, message (oil-condition sensor): Missing 3. Despite the widespread belief that BMWs are unreliable, the BMW N55 engine is surprisingly dependable. 36BE DME, encoding: Variant not found The water pump is still going after the car has been turned off. Coolant Leaks If you notice leaking liquid coming from the front part of your car, you should always pay attention to it, as it may be a symptom of problems yet-to-come. The coolant system is made up of many parts, including the radiator, water pump, thermostat, fan, and a series of hoses that connect everything together. Typically, the control module fails inside the pump rendering it useless. Signs of N55 Water Pump Failure: Engine overheating significantly - usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap. Its the lack of codes and the apparent proper functioning of the water pump that has me stumped.