BMW 168mm LSD Cap Upgrade by Diff Lab
Replace the broken cap on your 168mm LSD with this billet steel unit which comes with 8x uprated cap bolts. This LSD is found in the E30, E36, 316i, 318i, 318is, 320i, 518i. It fits the late style 168mm LSD only, not the early style LSD found in the 2002. It fits the E21 LSD only if it has had the later LSD fitted.
The 168mm LSDs suffer failure of the cast cap which cracks around the bolts. This causes the bolts to fall out. The cap becomes loose, which ruins the bearing journal on the left side, which ruins the bearing journal on the left side cover. The parts needed to repair a diff with this problem can really add up. This is the strongest replacement cap available. It comes with very strong bolts which will not come out like the originals do, and don't suffer the internal stripping problem of the originals.
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