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Home >> BMW >> 2003 >> X5 46i >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine - Technical Data - X5 (3.0L)) >> Pistons With Rings And Pins >> 11 25 Pistons with Rings and Pins M54 B22

11 25 Pistons with Rings and Pins M54 B22

WARNING: This page is about a different variant/trim than selected.
PISTONS WITH RINGS AND PINS M54 B22 SPECIFICATIONS

Piston and piston pin are paired - replace together only.    
Measuring point "A" (position) mm 10
Piston diameter (measuring point "A")    
Standard mm 79.980+/- 0.013
1. Oversize a) (only permitted for aluminum engine block with cast iron liners) mm 80.230+/- 0.013
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 B22 SPECIFICATIONS

1st groove    
End clearance mm 0.10-0.30
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 0.25-0.50
Axial play mm 0.020-0.060
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