11 25 Pistons with Rings and Pins S62

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

PISTONS WITH RINGS AND PINS SPECIFICATIONS (PISTONS AND PINS ARE MATCHED)

Pistons and pins are matched - only replace them together.
Measuring point "A" (position)	mm	12
Piston Diameter measuring point "A"	mm	93.950
Piston running clearance	mm	0.003 ... 0.037
Max. total wear clearance between piston and cylinder (engine operated)	mm	0.1

PISTONS WITH RINGS AND PINS SPECIFICATIONS

1st groove (plain compression ring)
End clearance	mm	0.15 ... 0.25
End float	mm	0.015 ... 0.060
2nd groove (taper face ring)
End clearance	mm	0.20 ... 0.35
End float	mm	0.020 ... 0.060
3rd groove (Oil scraper ring with rubber lined spring)
End clearance	mm	0.20 ... 0.40
End float	mm	0.020 ... 0.060