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      10-16-2012, 02:17 PM   #6
M3PO
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Drives: '08 IB E92
Join Date: Sep 2011
Location: OC

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Quote:
Originally Posted by LiM3y View Post
Just had this issue. There is no sensor in the PS fluid reservoir I just found out (this was a surprise, I swear I get a code from the AC unit just when I fart!), so I let my reservoir run really low. I got an intermittment high pitched whine between 1000-2000 rpm. With the full reservoir, the noise has gone away (so far). I also have a drip from my reservoir supply pump pipe which needs fixing too!
I had this problem also. I don't track (yet) and I don't have any leaks (dealership pressure tested everything). I don't understand where the fluid goes. I've NEVER added PS fluid to a car before.
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2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R