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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair (N62) >> 42 Starter Lead >> 12 42 500 Removing And Installing Or Replacing Battery Positive Lead (Between Alternator, Starter And Battery Positive Terminal) (N62)

12 42 500 Removing And Installing Or Replacing Battery Positive Lead (Between Alternator, Starter And Battery Positive Terminal) (N62)

REFERENCE CHART (N62)

Work step Note:
Switch off ignition  
Disconnect battery negative lead Follow instructions for disconnecting and connecting battery
Disconnect battery positive lead at jump start connection point Tightening torque: 12 42 1AZ  . See WIRES TO STARTER for specs.
REMOVE SUCTION FILTER HOUSING .  
REMOVE RIGHT FRESH AIR DUCT .  
Remove centre equipment compartment heater bulkhead.  
Remove INTAKE AIR MANIFOLD  
REMOVE A/C COMPRESSOR DRIVE BELT .  
Detach battery positive lead from alternator Tightening torque: 12 31 1AZ  . See ALTERNATOR WITH DRIVE AND MOUNTING PARTS for specs.
LIFT ENGINE HOOD INTO ASSEMBLY POSITION .  
SECURE ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL  
Release grounding strap on engine support arm.  
RELEASE A/C COMPRESSOR AND PLACE TO ONE SIDE .  
Remove EXHAUST SYSTEM  
Remove right exhaust manifold  
Lower front axle  
Remove STARTER MOTOR . Tightening torque: 12 41 4AZ  . See STARTER AND MOUNTING PARTS for specs.
Detach battery positive lead from support point/terminal Tightening torque: 12 42 1AZ  . See WIRES TO STARTER for specs.

Unclip battery positive lead (2) from holders (1).

Installation: 

Make sure battery positive lead is in correct installation position.

Danger of short circuits. 

Fig 1: Identifying Positive Battery Lead And Holders
G00425942Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Check function of DME.