Necessary preliminary tasks
- Secure ENGINE BONNET/HOOD IN SERVICE POSITION
- Remove INTAKE FILTER HOUSING
Only on E92, E93:
Unclip two cover caps (1) on left and right of side panel screw connection with special tool 64 1 020 .
Installation:
Replace damaged cover caps.
Assemble transverse member 00 6 000 with special tools:
- 00 6 051 (profile strips)
- 00 6 070 (supports)
- 00 6 052(supports)
- 00 6 031 (connections)
complete.
Always make sure there is sufficient clearance between the engine (or its attachment parts) and the body.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released.
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Release front screws (1) on acoustic cover (2).
Torque for N52K: 11 12 6AZ .
Torque for N53: 11 12 5AZ .
Raise acoustic cover (1) slightly.
Screw in towing hook (2) and tighten down to approx. 30 Nm.
Release screw (1) on front panel (2).
Tightening torque 41 33 1AZ .
Fit transverse member 00 6 000 with a 2nd person helping.
Place supports in front in the area of front panel attachment and in the rear on the fasteners of the side panels.
Bolt connections of transverse member 00 6 001 must point to windscreen.
Adapt bevel of special tool 00 6 052 to inclination of side panels.
Special tool 00 6 070 consists of a left and right support.
Secure chain with coat hook 00 6 080 to spindle 00 6 002 and align centrally over towing hook.
Attach special tool to towing hook.
Tighten down all adjusting screws and nuts on transverse member 00 6 000.
Unscrew nuts (1).
Raise engine approx. 10 mm with transverse member.
Installation:
Replace self-locking nuts.
Tightening torque 22 11 2AZ .