Water pump OEM Audi or OEM BMW

I would STRONGLY recommend you to buy ONLY a BMW stamped WP. I learned my lesson the hard way and want to help you avoid my mistakes. The main thing that fails in electric water pumps is the electronics, and the ones not stamped with a BMW logo often have these issues.

I quite enjoyed our 2.7t, it was stock and trouble free for all 200,000km. Not a single coilpack, turbo, nothing, oil changes and a timing belt/water pump service at 160,000km.

going strong doing water pump and new oil pan right now. Tensioners were done as a precaution at 195k.

Water pump started leaking so replaced it, the thermostat, and the pcv. Oil changes 4k-5k. Love the car.

Buy the M340i new and prepay your services. Great on gas but insurances and tires have been expensive. Water pump blew at 48k.

I remember on my S4 the water pump had a plastic impeller that was guaranteed to fail at some point. The aftermarket made one that was metal.

Just turned 51K miles and threw an engine light for the first time. Took it straight to the dealer, low boost fault code due to coolant migration from water pump failure. At 51K miles I’m out of warranty with a $7,500 repair bill.

It was the water pump in my case, thankfully under warranty.

I recently had to have my water pump replaced. I had the vehicle diagnosed at the dealer and then had an indie mechanic do the work. Saved me a bunch of cash. Mine wasn’t overheating, but it had leaked coolant into the vacuum system which caused my turbo to not build enough boost.

I had this happen 200 miles from home. $7 a mile to have it towed home.