Preloading the timing chain 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.

• Hand-tighten the bolts (1)  .
• Pre-tension timing chain on special tool 2 249 162  at hexagon screw (2) with special tool 0 496 778 (00 9 460) to 0.6 Nm  .

TIGHTENING TORQUES SPECIFICATION

Preload timing chain
	tightening torque	0.6 Nm

Courtesy of BMW OF NORTH AMERICA, INC.