bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

2 TD Pistons With Rings And Pins N54 _ B30 > < 1 TD Connecting Rods And Bearings N54 _ B30
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11 25 Pistons with Rings and Pins N54  B30

Piston and pin are paired to each other - replace together
only.

Measuring point "A" (position)

mm

15

Piston diameter at measuring point "A"

Original (new dimension)

mm

83.967

+0.004

-0.009

Repair stage (new dimension)

mm

%

Oversize (new dimension)

mm

84.217

+0.004

-0.009

Piston installation clearance (piston new)

mm

0.000...0.034

Piston installation clearance (piston worn)

mm

0.020...0.047

Permissible total wear tolerance between piston and
cylinder

(engine operated)

mm

0.15

TD  Pistons with Rings and Pins N54 / B30

BMW AG - TIS

23.02.2013  09:27

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

Copyright

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2 TD Pistons With Rings And Pins N54 _ B30 > < 1 TD Connecting Rods And Bearings N54 _ B30