Bmw E46 Water Pump Failure

Original bmw water pumps for the e46 m3 are known to last over 100 000 miles and the composite is still in excellent condition failure is usually typical leaks from worn bearings. Usually the first signs of water pump failure in your e46 are coolant leaks and whining sounds from the pulley. Original bmw water pumps for the e36 and most other modern bmws now use a composite impeller so any issues with factory pumps are long gone.

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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.

Bmw e46 water pump failure. Http amzn to 2lb9iyl the bearing in the water pump is failing in this 3 0l m54 engine. In this video i ll explain what to look out for as i relates to the bmw water pumps failing. I tried numerous things like using a gear puller but there is not enough meat for the gear puller to grab onto so i can remove the other piece of the pump. Come check it out.

Jump to latest follow. Therefore bimmer owners should check their bmw water pump for failure as soon as they suspect a problem. 04 06 2007 05 20 pm 7. If the liquid is blue in color it s quite possible.

Here s a sound cli. In this article you can find 13 of the most common problems on bmw e46 models. As the water pump ages coolant will begin to seep out around its sealing o ring run down the front of the engine and end up as a pool of fluid under your car. I also tried a hammer and chisel but stopped after a few times s i was afraid of breaking the timing cover.

Here are 5 signals that a bmw water pump failure is imminent. Bmw fanatic camera setup. Since the e36 they have practically been a wear item like brakes do a search and you will find the data threads confirm what i am saying here. Like any other vehicle bmw s also have problems the only difference is they re something more expensive to fix.

Water pump thermostat expansion tank and cooling sensor were all replaced i ordered a new expansion tank from bmw and replaced it but car still overheating and it pours out pressurized water from the tank s hole where the cap goes while trying to bleed it so something is wrong here since it s never done that in the past when bleeding it or. Basically the front piece of the pump with the shaft came off and the water pump sleeve and impeller remain on the engine block. Water pump and evap tank failures are so common on e46s with more than 60k miles i plan to do mine at 80k as a preventative measure. If getting ready to buy one or have one and want to know what might be some of the common problems to expect in the future this list could be useful.