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12 52 PLUG CONNECTIONS, TERMINALS, LOOSE PARTS (M4 Convertible)

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12 52 TIGHTENING TORQUE OVERVIEW

Cable bracket on rear cylinder head/transmission 
M6 x 20 Tightening torque  8 Nm
Grounding cable on cylinder head 
M6 x 16 Tightening torque  8 Nm
Y-cable at housing 
M5
Replace screws.
Tightening torque  4.5 Nm