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Here is information on the starter:
Disconnect battery negative lead from battery.Remove reinforcement plate.
Remove protective cap (1) of battery positive lead from starter motor.Release nut (2). Tightening torque, refer to Technical Data 12 41 4AZ. Disconnect battery positive lead (3) from starter motor. Unclip battery positive lead from holders.
Release nuts (1). Detach leads (2) from starter motor.
Release screws. Tightening torque, Starter mount 47 Nm .
Pull starter motor out of transmission mount and remove.