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      10-05-2014, 04:24 PM   #6
aclockwrk
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Drives: '15 M3 6spd
Join Date: Dec 2011
Location: South Jersey

iTrader: (2)

My car ('12 550i) has the same, it definitely for the active steer. As it was stated earlier, pulling the negative cable off the main battery will cut all power.
Appreciate 0