BMW E30 Guide
BMW E30 (1982 to 1993)
RPM
Use the Black wire in the C101 plug feeding from the ECU to the instrument cluster.
RaceCapture/Pro timer configuration
- Timer Mode: RPM
- Timer Speed: Medium
- Pulse Per Revolution: 3
Engine Temperature
Tap the brown and green wire on the back of the instrument cluster and run to an analog input of the Race Capture Pro.
Map values in RCP:
- 2.65v = 85
- 2.55v = 120
- 2.06 = 195
- 1.83 = 220
- 0.80 = 310
Fuel Level
Map values in RCP:
- 4.3v = 0 (empty)
- 2.28v = 50 (half)
- 0.55v = 100 (full)
Oil Pressure
Recommend a dedicated 10 bar / 145 PSI 0.5-4.5v pressure sensor. Pressure Sensor