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BMWDoc
BMWDoc, Independent BMW shop owner
Category: BMW
Satisfied Customers: 6457
Experience:  20 years of experience working with BMW's. Independent European shop owner and technician.
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BMW 335I: Where is the thermostst located on a 2007 BMW 335i

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Where is the thermostst located on a 2007 BMW 335i turbo charged 6 cilinder? Is it very hard to install!

BMWDoc :

Hello, I'm Jason. I will do my best to answer your question quickly and accurately using the information you have provided.

BMWDoc :

It's definitely a bit of a challenge for the first timer

BMWDoc :

thermostat is mounted to the water pump at the lower part of the engine, forward on the passenger side

BMWDoc :

Thermostat is #7 here, held onto the water pump by bolts #6

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BMWDoc :

I'll hold for a bit in live chat to see if you can join

BMWDoc :

Still holding, but will convert to email if needed

BMWDoc :

I'd also want to know why you're considering replacing the thermostat

BMWDoc :

Ok, converting to email now

Customer: replied 3 years ago.

to answere your guestion why am I consdering replaceing the water pump--
The engine run hot

I'd recommend checking/replacing the water pump as well. These typically fail much more often than the thermostat.
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