Everything we've learned tuning, building and racing BMW's four best engines. Real cars, real times and the service knowledge we use on our own development fleet.
S58
3.0 twin-turbo straight six
G80 M3, G82 M4, G87 M2, F97 X3 M, F98 X4 M
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B58
3.0 single-turbo straight six
M140i, M240i, M340i, M440i, 540i, X3 M40i, Supra
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S63
4.4 twin-turbo V8
F10 M5, F12 F13 F06 M6, F90 M5, M8, X5 M, X6 M
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S55
3.0 twin-turbo straight six
F80 M3, F82 F83 M4, F87 M2 Competition
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Knowledge you can only earn by doing it



