This AutoTech LSD Upgrade Kit pairs AutoTech’s highly engineered 188mm limited-slip differential carrier with a pair of Corteco output shaft seals, giving you everything you need for a leak-free install.
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Maintain maximum rear wheel traction and corner exit punch with an Original BMW Rear Final Drive Assembly. Engineered specifically for high revving M powerplants, this complete differential unit features factory matched ring and pinion gears housed in a rigid casing to minimize deflection under aggressive launching and hard cornering. Replacing a worn unit restores instant power distribution and original chassis balance.
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