11 25 Pistons with Rings and Pins N52K B30
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. 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 | 0.020... 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 | 84.990±0.010 |
| Repair stage (new dimension) | mm | % |
| Oversize (new dimension) | mm | 85.240±0.010 |
| Piston installation clearance (piston new) | mm | 0.000...0.034 |
| Piston installation clearance (piston worn) | mm | 0.020...0.047 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | mm | 0.150 |