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Home >> BMW >> 2021 >> 740i xDrive >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Engine - Variable Camshaft Timing Control System, Variable Valve Lift Control System - Repair (G12)) >> 11 36 Variable Camshaft Timing Control System (VANOS) >> 11 36 047 Removing and installing both adjusters, left (M760i xDrive 2017-2022) >> Installing special tool to pre-tension timing chain

Installing special tool to pre-tension timing chain

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NOTE: RISK OF DAMAGE 
Damage to timing chain or timing chain drive. 
Turning the engine without chain tensioner or special tool can result in damage to the timing chain and timing chain drive. 
  • Always turn the engine with the chain tensioner or the special tool.
Fig 1: Cylinder Head Special Tool With Torque Specification
G15139044Courtesy of BMW OF NORTH AMERICA, INC.