Quote:
Originally Posted by Kyoshi71
Nonsense. rear differentials do not need a break-in period. Once the gears are miked that's it.
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Was told by M division engineers that a 1200 mile break in for the rear differentail & manual transmission is more critical than for the engine and then a fluid change.
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08 E92 Interlagos blue, AFE filter, AA X-Pipe & HFC, AA pulley, AA software V1.5, Eisenmann race, M Performance Steering Wheel II, Pagid RS19's, Stoptech SS brake hoses, RAC RG63 Silver, Motul 600, E93 front & rear stablizer bars, M3 Competition Package Carbon Fiber Rear Lip Spoiler, Vorsteiner GTS3 carbon fiber front bumper & vented hood.