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      01-20-2019, 01:25 PM   #20
bigjae1976
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Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Houston, TX

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2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.25]
2013 BMW 328i  [5.00]
Quote:
Originally Posted by strokemycocktus View Post
In my case replacing the pump solved the problem - I haven't had any problems since then, everything seems to be running fine. I know that the rack was disassembled and cleaned, probably along with some hoses when changing the pump. The fluid was then changed after 1k km tu "flush" the new system.
But, to my knowledge, the reservoir was not replaced. I am sure it was cleaned, rinsed, etc, but I was not aware it is important to replace it as well. Should I still bother with this, or assume that it's all good if the car runs fine?
What you likely did was use your PS pump to filter out stuff in your system. No use in changing it now.

If you had a failure which left debris in the system then the pump slurps it up out of the filter in the reservoir when you start it up again.

Interesting...my car is mostly optionless so I don't have servotronic. Or at least I don't think so.
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