Withdrawal
Switch off the ignition.
Disconnect ground wire (-) battery. The battery is located in the luggage compartment behind the right side trim.
Attention: This erases the contents of memory devices, such as the engine trouble code memory. Follow the instructions given in the chapter "Removing and installing the battery".
To avoid accidental electrical contact, it is necessary to cover the negative pole of the battery.
Remove intake manifold.
Press together the clips -arrows- of the connector -1-. Remove plugs -1- from glow plugs.
Unscrew glow plugs -1- using BMW key 11 6 050 -A-.
Attention: The hole in the key must be less than 20 mm deep, if necessary, deepen the hole with a 9.5 mm drill to the specified depth.
Installation
Installation is carried out in reverse order. The torque of the glow plugs must be 23±3 Nm.
Attention: Never exceed the tightening torque of the glow plugs, otherwise the glow plugs will be damaged and fail during operation.