Relay-5 Prong White for Motronic ("diode" relay)-E30/E32/E34/E36/E38/E39 (Tyco-Genuine BMW) ......current part number is 61361729004 and the relay is made by Tyco. The older Stribel number was 12631711266. Check with one of the online parts sites to confirm if applicable to your vehicle.
61361729004 is a Genuine BMW automotive part number for the Main DME / Motronic Engine Control Unit (ECU) Relay. This vital 5-prong electrical relay provides power to the engine computer. If it fails, your car will crank but fail to start, or it may stall unexpectedly while driving.
Part Specifications
- Component Type: DME / ECU Main Fuel Injection Relay
- Color / Housing: Distinctive White plastic case
- Pin Configuration: 5-Prong multi-purpose connector
- Voltage Rating: 12 Volt
- Superseded / Replaced Parts: Replaces older BMW part numbers 12631729005 and 12631711266.
This relay was standard equipment across many legendary BMW chassis from the 1980s, 1990s, and early 2000s running Bosch Motronic management:
- 3 Series: E30 (325i, 325is, 318i) • E36 (325i, 318ti, M3)
- 5 Series: E34 (525i, 530i, 535i, 540i, M5) • Early E39
- 7 Series: E32 (735i, 740i, 750iL) • E38 (740i, 740iL)
- SUV Series: Early E53 X5 models
