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Home >> BMW >> 2009 >> X5 48i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine - Technical Data (N62) >> Piston With Rings And Pin >> 11 25 Pistons with Rings and Pins N62TU

11 25 Pistons with Rings and Pins N62TU

PISTONS WITH RINGS AND PINS N62TU SPECIFICATION

1st groove    
Height mm 1.2 -0.010-0.030
End clearance mm 0.1-0.3
Axial play mm 0.020-0.070
2nd groove    
Height mm 1.5 -0.010-0.030
End clearance mm 0.20-0.40
Axial play mm 0.020-0.060
3rd groove    
Height mm cannot be measured
End clearance mm 0.2-0.9
Axial play mm cannot be measured


PISTONS WITH RINGS AND PINS N62TU B48 SPECIFICATION

Piston and pin are paired to each other - replace together only.    
Measuring point "A" (position) mm 18
Piston diameter at measuring point "A"    
Original, stage 0 (new dimension) mm 93.986 +/- 0.016
Oversize, stage 1 (new dimension) mm 93.236 +/- 0.016
Oversize, stage 2 (new dimension) mm 933.486 +/- 0.016
Piston installation clearance (piston new) mm 0.001-0.044
Piston installation clearance (piston worn) mm 0.026-0.073
Permissible total wear tolerance between piston and cylinder (engine operated) mm 0.10