NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the
REPLACING COMPLETE INJECTION PIPE (N52/ N52K)
Special tools required:
13 5 281
Necessary preliminary tasks:
Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe
REPLACING VACUUM HOSE FOR BRAKE BOOSTER (N52K)
IMPORTANT: Before beginning work, fully press the brake pedal several
times to reduce the
vacuum pressure in the brake booster. This makes it easier to remove the
vacuum hose. Vacuum hose and non-return valve are welded together and are
replaced togeth