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►The differential pinion seal is a notorious leaker in the BMW E46 M3 and on other M-cars with limited slip differentials. A leaking seal, other than causing a mess, will drain your differential of its lubricating oil. Replacing the pinion seal is the only way to fix the leak and ensure the health of your M differential.
The original pinion seal was poorly designed, so the engineers over at Corteco have redesigned it to fix all of its shortcomings. Fitting the improved seal will take a decent amount of tools, including a few specialties, but replacement can be done in a DIY setting with enough patience.
Follow along as Gareth Foley, FCP Euro's BMW Wizard, walks us through a differential pinion seal replacement on a BMW E46 M3.
00:00 - Intro
01:05 - Tools Needed
02:46 - Job Start/BMW E46 M3 Reinforcement Plate Removal
03:14 - BMW E46 M3 Exhaust Removal
04:43 - BMW E46 M3 Drive Shaft Removal
06:57 - BMW E46 M3 Pinion Flange Removal
09:20 - BMW E46 M3 Pinion Seal Replacement
10:24 - BMW E46 M3 Pinion Flange Install
12:27 - BMW E46 M3 Drive Shaft Install
15:12 - BMW E46 M3 Exhaust Install
17:51 - BMW E46 M3 Reinforcement Plate Install
18:16 - Wrap-Up
Buy This BMW E46 M3 Pinion Seal Here: www.fcpeuro.com/products/bmw-...
Buy Tools Used Here:
Pinion Flange Counterhold - www.fcpeuro.com/products/bmw-...
Pinion Flange Installation Tool - www.fcpeuro.com/products/bmw-...
Pinion Flange Adapter Tool - www.fcpeuro.com/products/bmw-...
Pinion Seal Driver - www.fcpeuro.com/products/bmw-...
Pinion Flange Nut Driver - www.fcpeuro.com/products/bmw-...
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