1986 BMW 325i racecar
16VT’s involvement: Wired
in fully functional fuel-only
Megasquirt
ECU and calibrated.
Chassis: stock;
Forced induction: none.
Engine: 2500cc, M20B25 engine
code, 12 valve, schrick camshaft.
Injection:
: Port injection, individual throttle bodies;
Description:
The objective of this install was to use the MS to replace the
carburettors.
Pin configuration:
MS VR- CRANK SENSOR SIGNAL (7)
MS GROUNDS (8,9,10,11,12,13)
MS SENSOR GROUND (19)
MS MAT (20)
MS CLT (21)
MS TPS SIGNAL (22)
MS O2 SENSOR SIGNAL (23, brown)
MS VR+ CRANK SENSOR SIGNAL (24)
MS TPS Vref (26)
MS +12V (28 )
MS INJ1 (32,33)
MS INJ2 (34,35)
MS FUEL PUMP (37)
The 'extras':
Launch control, pin 25 (yellow)
Switchable maps, pin 27 (blue)
