11 25 Pistons with Rings and Pins M54 B 30
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
PISTONS WITH RINGS AND PINS M54 B 30 TECHNICAL SPECIFICATION
| Piston and piston pin are paired - replace together only. | ..... | ..... |
| Measuring point "A" (position) |
mm | 8 |
| Piston diameter (measuring point "A") |
..... | ..... |
| Standard | mm | 83.995+/- 0.014 |
|
mm | 84.245 +/-0.014 |
| Piston running clearance | mm | 0.01 ... 0.04 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.15 |
PISTONS WITH RINGS AND PINS M54 B 30 TECHNICAL SPECIFICATION
| 1st groove | ..... | ..... |
| End clearance | mm | 0.20 ... 0.40 |
| Axial play | mm | 0.020 ... 0.060 |
| 2nd groove | ..... | ..... |
| End clearance | mm | 0.20 ... 0.40 |
| Axial play | mm | 0.020 ... 0.060 |
| 3rd groove | ..... | ...... |
| End clearance | mm | 0.20 ... 0.45 |
| Axial play | mm | 0.015 ... 0.060 |