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.