BMW Z4 pressure informations
| Tyre Size | Position | Pressure |
|---|---|---|
| 225/45 R 17 91W | Front | 2.4 Bar |
| 225/45 R 17 91W | Rear | 2.9 Bar |
| 225/45 R 17 91W | Front | 2.4 Bar |
| 255/40 R 17 94W | Rear | 2.6 Bar |
| 225/40 R 18 88W | Front | 2.5 Bar |
| 255/35 R 18 90W | Rear | 2.7 Bar |
| 225/35 R 19 88Y | Front | 2.3 Bar |
| 255/30 R 19 91Y | Rear | 2.8 Bar |
| 225/45 R 17 91H | Front | 2.4 Bar |
| 225/45 R 17 91H | Rear | 2.9 Bar |
| 225/40 R 18 88Y | Front | - |
| 255/35 R 18 90Y | Rear | - |
Legal Mentions
The load and/or speed ratings displayed may differ slightly from the original size specified on the vehicle label. As a qualified professional, your tyre dealer will be able to advise you in :
1. Informing you if the load and/or speed rating of the replacement tyres is different from the original tyres.
2. Determining whether the tyre pressure should be adjusted for the proposed alternative size