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)

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