11 25 Pistons with Rings and Pins S63 B44
WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS, BMW, S63, B44 SPECIFICATIONS
| Piston and pin are paired to each other - replace together only. | ||
| Measuring point "A" (position) | mm | 8 |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | mm | 88.97... 88.99 |
| Oversize (0.25) | mm | 89.22... 89.23 |
| Oversize (0.50) | mm | 89.47... 89.50 |
| Piston installation clearance (piston new) | mm | 0.03...0.04 |
| Piston installation clearance (piston worn) | mm | 0.02...0.05 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.15 |