11 28 010 Replacing alternator drive belt (N63)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 11 3 340
See ENGINE - SPECIAL TOOLS (N54, N63) .
IMPORTANT:
If contaminated with hydraulic fluid: Replace
drive belt.
Installation:
If the drive belt is to be reused, mark direction of travel and reinstall drive belt in same direction of rotation.
Necessary preliminary tasks:
- Remove fan cowl . See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N63) .
- Release expansion tank for intercooler from mounting and press forwards. See ENGINE RADIATOR .
Coolant hoses do not need to be released!
IMPORTANT:
Belt tensioner is under high initial spring tension.
Slowly and carefully pretension belt tensioner (1) in direction of arrow up to stop.
Secure special tool 11 3 340 in special tool bore (2).
Belt tensioner in assembly position.
Remove drive belt.
NOTE:
On vehicles which do not have a power steering pump, an idler pulley (3) is fitted in place of the power steering pump.
IMPORTANT:
Belt tensioner is under high initial spring tension.
Put on the drive belt.
Remove special tool 11 3 340 in special tool bore (2).
Slowly relieve tension on belt tensioner (1).
Installation:
Make sure drive belt is in correct installation position.
Assemble engine.