Bmw 335i Coolant Leak Driver Side
2008 335i N54 I had my water pump and thermostat replaced at 72K; and now at 90K, I have a massive coolant leak somewhere when the system is under pressure. It is on the driver side in between the radiator and the engine (very difficult to see from the top) and it sprays coolant/steam all over the serpentine belt causing it to squeak. Welcome back, BMW enthusiasts! Today, we're diving deep into a common issue that many BMW owners face: the notorious coolant leak in the N54 engine.
If you're driving a BMW 335i or 135i, this is. Coolant leaking from the bottom, near the driver side. 12:27 AM.
Be sure to check this common N54/N55 problem area for leaks on your BMW 335i or 135i. If you have high mileage or can visibly see stress areas, replace it before it's too late! Bimmerforums is the preferred online BMW Forum and community for BMW owners.
At Bimmerforums, you will find technical how. I've got a pretty steady coolant leak under the driver side of my car, 2011 E92 335i xDrive 6spd. I've added about half a gallon of distilled water since this past Wednesday.
I've checked the common failure points such as the coolant reservoir, the upper radiator hose, and the water pump/thermostat. Is your BMW losing coolant but not overheating? Find out the 6 most common reasons for a BMW coolant leak without overheating and how to fix them. Addressing a coolant leak promptly is crucial for maintaining your engine's health and avoiding being stranded on the side of the road with an overheated car.
Whether you're seeing a small drip, a steady stream, or notice your coolant level dropping, let's dive into the common culprits and how to fix a BMW coolant leak. From the bottom of engine, coolant will leak down from the cluster of cooling system components. Coolant leaking down the left side of engine can be from coolant hoses or from the oil filter stand / housing.
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