bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

21 Crankshaft With Bearing > < 5 TD Cylinder Head With Valve Seat Cover, M52TU, B25
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11 12 Cylinder Head with Valve Seat Cover M52TU  B28

Valve seat angle

°

45

Correction angle: outer

°

15

Correction angle: inner

°

60

Valve seat width: Inlet

mm

1.65 

±

 0.25

Valve seat width: Exhaust

mm

1.65 

±

 0.25

 Valve seat

Valve seat surface: Outside dia. inlet

mm

32.4

Valve seat surface: Outside dia. exhaust

mm

30.0

TD  Cylinder Head with Valve Seat Cover, M52TU, B28

BMW AG - TIS

13.02.2013  14:13

Issue status (12/2007) Valid only until next DVD is issued

Copyright

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21 Crankshaft With Bearing > < 5 TD Cylinder Head With Valve Seat Cover, M52TU, B25