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11 25 Pistons with Rings and Pins M54 B25

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW X5, 2006 BMW X3, 2005 BMW X5, 2005 BMW X3, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS M54 B25 TECHNICAL DATA SPECIFICATION

Piston and piston pin are paired - replace together only.    
Measuring point "A" (position) mm 8
Piston diameter (measuring point "A")    
Standard mm 83.995+/- 0.014
1. Oversize a) (only permitted for aluminum engine block with cast iron liners) mm 84.245+/- 0.014
Piston running clearance mm 0.01... 0.04
Permissible total wear tolerance between piston and cylinder
(engine operated)
mm 0.15


PISTONS WITH RINGS AND PINS M54 B25 TECHNICAL DATA SPECIFICATION

1st groove    
End clearance mm 0.20... 0.40
Axial play mm 0.020... 0.060
2nd groove    
End clearance mm 0.20... 0.40
Axial play mm 0.020... 0.060
3rd groove    
End clearance mm 0.20... 0.45
Axial play mm 0.015... 0.060