New Generation N62 Engine Chapter 3 P.21
Course Contents/Background Material
© BMW AG, Service Training
The belt drive has two components, and is subdivided into the
main and A/C drives.
Both V-belts are driven by the crankshaft pulley.
A 4-V-belt is used for the air conditioning belt drive, and a
6-V-belt is used for the main drive.
Each belt drive has a tensioning unit with tensioning pulley and
torsioner.
The belt drive needs no maintenance.
To disassemble the V-belt, the tensioning pulley is pushed back
using a Torx tool (1) and fixed in this position using a peg (2).
Fig. 18: Tensioning pulley
Index Description
1 Recess for Torx tool
2 Special tool
KT-7732
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