Installing the hydraulic chain tensioner of cylinder bank 1

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.

• Feed in and position the hydraulic chain tensioner (2)  .
• Tighten the screws (1)  .

TIGHTENING TORQUE SPECIFICATIONS

Chain tensioner to cylinder head
screw	Tightening torque	13 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

• Remove the special tool 0 491 012 (11 4 120)  or transportation retainer (3)  from the bore.

Courtesy of BMW OF NORTH AMERICA, INC.