Switch off the ignition and remove the protective casing of the injectors. Mark the loops of the sensors for monitoring the oxygen concentration in the exhaust gas in groups of cylinders 1-3 and 4-6, release them from their holders and disconnect them.
Remove the loop holders from the distribution line and disconnect the loop of the intake air temperature sensor and the loop of the solenoid valve of the D-VANOS control unit.
Hose-type fuel lines with fastening clamps are covered with a device «13.3.010» (see 3.34).
Loosen clamps (1 and 2, fig. 3.147) fastening the hoses and remove them from the pipeline.
Attention! After each removal, the fuel hoses and their clamps must be replaced with new ones.
Removal of fuel hoses with quick-release fasteners must be carried out with the fuel hoses blocked (1 and 2, fig. 3.146) adaptation «13.5.281» and adaptation «13.5.282».
When installing, check the sealing ring of the fuel hose and the sealing surfaces of the fuel lines for damage, replace parts if necessary. Lubricate the O-ring with grease before installing to facilitate sliding.