the key of the e71 and 70 M as a base option against usual E70 was rear differential with torque vectoring
but int f16 this differential is optional
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes.
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