Removing 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.

• Loosen screws (1).
• Feed out and remove hydraulic chain tensioner (2).

Courtesy of BMW OF NORTH AMERICA, INC.