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Old 02-22-2012, 03:16 PM
Quick99Si Quick99Si is offline
Officially Welcomed to the 'Fest
Location: Chicago
Join Date: Jul 2011
Posts: 382
Mein Auto: 2004 M3 6MT
Originally Posted by Misfit_408 View Post
Thanks quick99si! I found that in that well under the driver side cabin filter, the brake booster was half submerged in water. Dont think I'll have to take her in just yet. After a lot of trick vacum work and checking a lot of hoses things seem to be good. After I got the water out of that area surrounding the booster it stopped making any water type noises when pressing the pedal. I never actaully got even a drop of water out of the booster it self but there was a little in the vacum hosing between there and the ICV. At this point it's running great and the brakes feel great. Think I'll just take it in to get a general service. I'm at at 132k on the odometer and have no idea what on this 6th engine.
Glad you found the problem, but I still suggest totally draining the booster and then thoroughly cleaning the nearby water drains. It has ruined your engine before, and it will happen again if you don't do something about it. Good luck!

540i - Stock/Sport / 6MT / 13.9@100mph
WS6 - 231/234 / 6MT / 4.10 / 410rwhp
ITR - 262/262 / 5MT / 12.2:1 / 9600rpm

540i/6 Sport, Jet Black, Style 65, LED tail, DICE+GROM USB, !CDV, Redline MT-90, M1 0-40w
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