For trackday cars as well as for real race cars the modification of the rear axle drive is indispensible. Accordingly we offer appropriate possibilities to optimize the M3 E30 differential ratio like 3,91:1, 4,10:1 up to 5,44:1, differential lock 75% and our reliable differential-oil-cooler kit.

MOTORSPORT24 BMW M Tuning Race Parts Worldwide Shipping

M3 E30 Differential Worldwide Shipping

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Differential Final Drive 4,75 | 5,13 | 5,2814e301071750 €
Differential Cover14e30024520 €
DTM Differential Cover14e300251250 €
75% Differential Lock14e300261350 €
Differential Oil Cooler Kit14e300271190 €