11 25 Pistons with Rings and Pins S85
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.
TECHNICAL DATA - PISTONS WITH RINGS AND PINS S85
| Piston and pin are paired to each other - replace together only. | - | - |
| Measuring point "A" (position) | mm | 14 |
| Piston diameter at measuring point "A" | - | - |
| Original (new dimension) | mm | 91.990 ± 0.01 |
| Repair stage (new dimension) | mm | 92.040 ± 0.01 |
| Oversize (new dimension) | mm | 92.190 ± 0.01 |
| Piston installation clearance (piston new) | mm | 0.000 ... 0.032 |
| Piston installation clearance (piston worn) | mm | 0.020 ... 0.047 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | mm | 0.050 |
TECHNICAL DATA - PISTONS WITH RINGS AND PINS S85
| 1st groove | - | - |
| End clearance | mm | 0.15 ... 0.3 |
| Axial play | mm | 0.020 ... 0.060 |
| 2nd groove | - | - |
| End clearance | mm | 0.40 ... 0.60 |
| Axial play | mm | 0.020 ... 0.060 |
| 3rd groove | - | - |
| End clearance | mm | 0.1 ... 0.3 |
| Axial play | mm | cannot be measured |