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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-14-2011, 07:27 PM   #1
Bavaryan
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Join Date: Feb 2011
Location: The center part of Florida with no ocean.
Posts: 704
My Ride: 330i w/out park.
Where can I be loosing brake fluid at? manual trans

I know that over time as the pads get thinner the brake fluid in the resevoir will slowly drop, this is normal.

However, in the past 7k miles or so, i'd say i've lost about 1" of fluid level in my resevoir. That seems more than normal due to pad use.

Things i've checked:

All 4 calipers
Clutch Master
Brake master(unless leaking into the booster, no way to really check that until it gets worse, but I doubt that one...)
Clutch and brake lines.

What am I missing? Could the slave be leaking fluid into the bell housing? is this common?

Thanks!
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Old 10-15-2011, 11:43 AM   #2
markusmarkus
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My Ride: 2001 330Ci
If the clutch slave cylinder was leaking into the bell housing you'd see fluid dripping from the bell housing.
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Old 10-15-2011, 04:19 PM   #3
Bavaryan
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Quote:
Originally Posted by markusmarkus View Post
If the clutch slave cylinder was leaking into the bell housing you'd see fluid dripping from the bell housing.
If it were a big leak, definately yes. But this is a very small leak. Most probably wouldn't notice it/pay attention to it, but i'm OCD about fluid leaks. I think I chose the wrong car to be OCD about fluid leaks on.
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