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      03-22-2013, 02:07 PM   #8
Simon H
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Drives: M5 Competition
Join Date: Mar 2010
Location: UK

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Quote:
Originally Posted by thebishman View Post
Metal on metal doesn't sound right. It's more of a high pitched whine as the high pressure pump is initialising etc.
Bish,
Just for my peace of mind, how long do you notice the pump noise for, after running from cold ?., I can hear it, for maybe up to 10 minutes, whilst the car is warming up, then its all silent, thankyou, regards, SIMON.
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