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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 10-12-2010, 07:15 AM   #1
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Join Date: Aug 2009
Location: St Louis, MO
Posts: 3,008
My Ride: 01 330x-xi
Diff Leak

Diff I have is leaking from the cover. (assuming a failed gasket) I was thinking about just using some silicone and putting the cover back on? Anyone? Can you buy the gaskets? I'm not having much luck. Also anyone have any suggestions as far as diff fluid? Thanks again!

Last edited by xixixi; 10-12-2010 at 07:17 AM.
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Old 10-12-2010, 08:18 AM   #2
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Join Date: May 2004
Location: Bethlehem, PA
Posts: 918
My Ride: 2004 330i
The diff cover gasket is NLA and is not needed anyway. Just take the cover off, clean it up real good and use silicone. I do suggest applying some loctite on the diff cover bolts as they can come loose. Also, since they are not easy to get to, might as well be safe and not have to worry about ever checking them again.

As for diff oil, you'll get about 78 different suggestions. I'll start with #1 suggestion. I use Redline Shockproof Lightweight (Blue) in my diff.
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Old 10-12-2010, 08:34 AM   #3
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Join Date: Jul 2008
Location: haymarket, va
Posts: 142
My Ride: too fast e46/330xi
i wonder if this is just an xi thing... mines been leaking for a couple months now. i'm just getting it topped off every other month until i can afford the multi-clutch lsd i've been wanting.
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Old 10-12-2010, 03:58 PM   #4
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Location: St Louis, MO
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The diff i'm talking about, came out of a 328. i'm no longer awd, But right before i did the swap. My front diff was leaking and had shavings.
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