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Home >> BMW >> 2013 >> X6 50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 1508 (Engine - Repair - E91) >> Variable Valve Gear >> 11 37 010 Removing and installing/replacing intermediate levers (N52K) >> Notes

11 37 010 Removing and installing/replacing intermediate levers (N52K): Notes

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IMPORTANT: Aluminum magnesium materials. 
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). 
NOTE: There are 2 different versions of the guide block
IMPORTANT: Establish size of guide blocks.
Version 1
Size 55.2 mm
Version 2
Size 58 mm
The description of version 2 starts on page 8.

Version 1 

Size (1) 55.2 mm 

Fig 1: Identifying Guide Block Dimension
G06900894Courtesy of BMW OF NORTH AMERICA, INC.