Diff Leak

xixixi · 10-12-2010, 07:15 AM

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!

mrshelley · 10-12-2010, 08:18 AM

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.

332xi · 10-12-2010, 08:34 AM

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.

xixixi · 10-12-2010, 03:58 PM

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.

10-12-2010, 08:18 AM	#2
mrshelley Registered User Join Date: May 2004 Location: Bethlehem, PA Posts: 914 My Ride: 2004 330i View My Garage	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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10-12-2010, 07:15 AM	#1
xixixi Banned User Join Date: Aug 2009 Location: St Louis, MO Posts: 3,011 My Ride: 01 330x-xi View My Garage	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.

10-12-2010, 08:34 AM	#3
332xi Registered User Join Date: Jul 2008 Location: haymarket, va Posts: 145 My Ride: too fast e46/330xi View My Garage	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.

10-12-2010, 03:58 PM	#4
xixixi Banned User Join Date: Aug 2009 Location: St Louis, MO Posts: 3,011 My Ride: 01 330x-xi View My Garage	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.