Thread: DMTL pump bad
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      05-08-2009, 02:58 PM   #7
David1
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Quote:
Originally Posted by raceyBMW View Post
Interesting, I was told by the service guys that the noise you hear back there is the DMTL pump. I know the amp is on that side too though, so it makes sense as well.
You door here the pump for about a second when you unlock the door (or open the drivers door) or the car wakes up.