bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

2 TD Pistons With Rings And Pins, M20, B 20, B 25 > < 1 TD Connecting Rods And Bearings, M20
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11 25 Pistons with Rings and Pins M20  B 20

Pistons and pins are matched - only replace together in
pairs

Identification on piston:

Piston dia., arrow indicating direction of installation,
compression ratio

Piston diameter (dimension "A")

Standard

mm

79.98

Intermediate size

mm

80.06

1st Oversize

mm

80.23

2nd Oversize

mm

80.48

Piston running clearance

mm

0.01 ... 0.04

Max. total wear clearance between piston and cylinder

(engine operated)

mm

0.15

TD  Pistons with Rings and Pins, M20, B 20

BMW AG - TIS

26.01.2013  13:44

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

Copyright

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2 TD Pistons With Rings And Pins, M20, B 20, B 25 > < 1 TD Connecting Rods And Bearings, M20