11 25 Pistons with Rings and Pins N63 B44 (2 of 2)
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS, BMW, N63, B44 SPECIFICATIONS
| Piston and pin are paired to each other - replace together only. | ||
| Measuring point "A" (position) | mm | 10 |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | mm | 88.97... 88.99 |
| Repair stage (0.08) | mm | 89.05... 89.08 |
| Oversize (0.25) | mm | 89.22... 89.25 |
| Oversize (0.50) | mm | 89.47... 89.50 |
| Piston installation clearance (piston new) | mm | 0.00...0.03 |
| Piston installation clearance (piston worn) | mm | 0.02...0.05 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | mm | 0.15 |