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Old 11-18-2012, 11:37 AM   #3
Registered User
Join Date: Oct 2012
Location: SF Bay Area
Posts: 263
My Ride: E46 M3
I had a diff leak that was fixed with a spray on rubber sealer from home depot. It was easier than taking the diff apart and worth a try. Just clean the diff real well with brake cleaner so the sealer gets a good surface to bond to. If it doesn't work, you can peel or scrape off the rubber coating easily.
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