BMW E30 Guide

BMW E30 (1982 to 1993)

E30 race car.jpg

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