11 00 039 

Attention!

High tension – mortal danger!
Interrupt power supply to ignition coils.

Necessary preliminary tasks:

Remove spark plugs

Checking compression of all cylinders on engine BMW N63, N74, S63

Disconnect the plug connection (1) to the injectors on the DME control unit (bank 1).
Graphic: N74O0

Checking compression of all cylinders on engine BMW N63, N74, S63

Disconnect the plug connection (1) to the injectors on the DME control unit (bank 2, if installed).

Checking compression of all cylinders on engine BMW N63, N74, S63

Unscrew tip (1) from special tool 11 0 222.

Attention!

Then check the Schrader valve that is now visible for secure seating.

Checking compression of all cylinders on engine BMW N63, N74, S63

Prepare special tool 11 0 222 in conjunction with 11 8 732 and 11 8 731.

Checking compression of all cylinders on engine BMW N63, N74, S63

Screw special tool 11 0 222 into special tool 11 8 731 to 10 Nm.

Attention!

Oil thread on special tool 11 8 731.

Checking compression of all cylinders on engine BMW N63, N74, S63

Connect special tool 2 410 242 to special tool 11 0 222 with the bayonet fitting.

Screw in the 100-bar sensor (1) on the special tool 2 410 242 hand-tight.

Connect 100-Bar sensor (1) with the Integrated Measurement Interface Box.

Checking compression of all cylinders on engine BMW N63, N74, S63

Screw special tool 11 0 222 by hand into the spark plug thread.

  1. Connect vehicle with diagnosis tester.
  2. Select service function “Check compression of all cylinders”.
  3. Observe diagnosis instructions.

Illustration: N74.

Checking compression of all cylinders on engine BMW N63, N74, S63

Note:

Always connect the IMIB (2) via the mains lead (1).
Vehicle with diagnosis
Connect 100-Bar sensor (1) with the Integrated Measurement Interface Box.
Observe diagnosis instructions.
Assemble engine.
Delete the fault memory.