Removing the special tool to pretension the timing chain at 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.

• Release timing chain on the special tool 2 249 162  by turning the hexagon screw (2)  .
• Release the special tool 2 249 162  in the areas (1)  and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.