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11 25 Pistons With Rings And Pins N54 B30

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS SPECIFICATIONS

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


PISTONS WITH RINGS AND PINS SPECIFICATIONS

1st groove    
End clearance mm 0.18...0.33
Axial play mm 0.020...0.060
2nd groove    
End clearance mm 0.30...0.50
Axial play mm 0.020...0.060
3rd groove    
End clearance mm cannot be measured
Axial play mm cannot be measured
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