Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Relays & Solenoids: Relays
For fuel pump relay, see FUEL DELIVERY under FUEL SYSTEM. For relay locations, see DME & FUEL PUMP RELAY LOCATION table. See Fig 1-Fig 30 .
| Application | Location | |
|---|---|---|
| X5 | ||
| DME Relay | Right Rear Corner Of Engine Compartment, Next To DME PCM | |
| Fuel Pump Relay | Behind Glovebox | |
| Z8 | ||
| DME Relay | Right Rear Corner Of Engine Compartment, Next To DME PCM | |
| Fuel Pump Relay | In Right Rear Of Storage Compartment | |
| 3-Series (Z3) | ||
| DME Relay | Right Rear Corner Of Engine Compartment, Next To DME PCM | |
| Fuel Pump Relay | Under Left Side Of Instrument Panel, Next To Kick Panel | |
| 3-Series (E46) | ||
| DME Relay | Left Rear Corner Of Engine Compartment, In Relay/PCM Box | |
| Fuel Pump Relay | Behind Glove Box | |
| 5-Series & 7-Series | ||
| DME Relay | Right Rear Corner Of Engine Compartment, Next To DME PCM | |
| Fuel Pump Relay | Right Side Of Trunk | |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.