11 25 Pistons with Rings and Pins
WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS SPECIFICATION
| 1st groove | ||
| End clearance | mm | 0.150... 0.300 |
| Axial play | mm | 0.020... 0.070 |
| 2nd groove | ||
| End clearance | mm | 0.300... 0.500 |
| Axial play | mm | 0.015... 0.060 |
| 3rd groove | ||
| End clearance | mm | cannot be measured |
| Axial play | mm | cannot be measured |
PISTONS WITH RINGS AND PINS SPECIFICATION
| 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 | 84.98... 85.00 |
| Repair stage (new dimension) | mm | % |
| Oversize (new dimension) | mm | 85.23.. 85.25 |
| Piston installation clearance (piston new) | mm | 0.00... 0.03 |
| Piston installation clearance (piston worn) | mm | 0.02... 0.08 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.15 |