# Fuel pressure regulator, replace.

Pressure regulator is located at forward end of fuel rail, near alternator. |
Remove hose clamp (green arrow), hose may need to be cut off as they often stick to the fitting on the regulator. Remove two 10mm bolts (blue arrows) and vacuum line (red arrow). Twist and pull regulator to dismount. |

### Installation

Replace seal (new BMW fuel pressure regulators come with the seal already installed.
Lubricate seal with engine oil and twist regulator while pushing into rail.
Check fuel pressure |

### Part Numbers :

Fuel pressure regulator, 3.0 bar | : | 13 53 1 722 040
Fuel pressure O ring | : | 13 64 1 730 767

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson