11 25 Pistons with Rings and Pins N52K B25
WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TECHNICAL DATA - PISTONS WITH RINGS AND PINS N52K B25
| 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 | 81.985±0.014 |
| Repair stage (new dimension) | mm | % |
| Oversize (new dimension) | mm | 82.235±0.014 |
| Piston installation clearance (piston new) | mm | 0.000...0.043 |
| Piston installation clearance (piston worn) | mm | 0.020...0.047 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | mm | 0.150 |