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Home >> BMW >> 2021 >> X3 M40i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Pistons, Piston Rings, Counterbalance Shaft, Accessory Drive Belt & TENSIONER -- Repair (G01) >> 11 28 Drive Belt With TENSIONER >> 11 28 020 Replace belt tensioner for drive belt of the alternator (X3 M40i, 2020-2022) >> Removing belt tensioner of alternator

Removing belt tensioner of alternator

WARNING: Hot surfaces.
Risk of burning! 
  • Perform all work only on components that have cooled down.

Preliminary work 

CAUTION: Component with preload.
Injury hazard! 
  • Reduce preload as far as possible before disassembly. Relieve component.