BMW M50 3.2 Stroker

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Bahmanson
Posts: 1
Joined: Thu Mar 06, 2025 10:02 am

BMW M50 3.2 Stroker

Post by Bahmanson »

Hi, allready i ordered Uaefi for my BMW e36 n/a 3.2 m50 stroker.
Will use electronic gas pedal, electronic throttle body, map sensor and air conditioning. Did a pin to pin from oem ecu(ms41.0) to the uaefi. I have some questions;
1. Do i need add or remove any resistor on this project ? I'll use oem crank hall effect and cam hall effect sensors, vag r8 coils.
2. Is possible to wire button for map switch? In my country the highest octane fuel is 98 lowest 92. For us for daily use 98 too expensive. I want to run 92 daily and when i want to race press button switch for example ignition maps to the 98 octane.

Can someone comfirm this pin to pin?

Pin 1 - Uaefi Pin B14 Cyl 2 ignition
Pin 2 - Uaefi Pin B11 Cyl 4 ignition
Pin 3 - Uaefi Pin B10 Cyl 6 ignition
Pin 4 - Uaefi Pin C8 ground
Pin 5 - Uaefi Pin B5 Cyl 2 injector
Pin 6 - Uaefi Pin B6 Cyl 1 injector
Pin 7 - Maf sensor
Pin 8 - Maf sensor
Pin 9 - RPM cluster
Pin 10 - Uaefi D16 Coolant temp
Pin 11 - Uaefi Pin C9 Launch control
Pin 12 - TPS
Pin 13 - Uaefi Pin D2 Map switch
Pin 14 - Uaefi D15 IAT
Pin 15 - ABS/ASC
Pin 16 - Uaefi Pin D10 A/C request
Pin 17 - X
Pin 18 - EWS
Pin 19 - A/C Fan
Pin 20 - X
Pin 21 - Uaefi B7 Vanos signal
Pin 22 - Uaefi Pin B4 Cyl 3 injector
Pin 23 - Uaefi Pin B1 cyl 6 injector
Pin 24 - Uaefi Pin B3 cyl 4 injector
Pin 25 - o2 sensor
Pin 26 - 12v+ all time
Pin 27 - Uaefi Pin B18 Opening idle
Pin 28 - Uaefi Pin A3 ground
Pin 29 - Uaefi Pin B15 Cyl1 ignition
Pin 30 - Uaefi Pin B13 Cyl 3 ignition
Pin 31 - Uaefi Pin B13 Cyl 5 ignition
Pin 32 - Uaefi Pin A4 ground
Pin 33 - Uaefi Pin B5 cyl 5 injector
Pin 34 - ground
Pin 35 - X
Pin 36 - Uaefi Pin B8 RPM cluster
Pin 37 - X
Pin 38 - Uaefi C12 knock sensors ground
Pin 39 - Uaefi C11 Sensor ground IAT, CLT, TPS
Pin 40 - crank sensor ground shield
Pin 41 - cam sensor ground shield
Pin 42 - TPS
Pin 43 - camshaft ground
Pin 44 - TPS
Pin 45 - ASC
Pin 46 - X
Pin 47 - X
Pin 48 - crank sensor 5v+ Uaefi Pin D3
Pin 49 - Uaefi Pin A7 Ignition switch
Pin 50 - X
Pin 51 - X
Pin 52 - Exhaust Flap
Pin 53 - Uaefi Pin B17 Closing idle
Pin 54 - Uaefi A8 Dme relay
Pin 55 - o2 sensor
Pin 56 - ground
Pin 57 - knock cyl 1-3 output
Pin 58 - knock cyl 1-3 input
Pin 59 - knock cyl 4-6 output
Pin 60 - diagnostics
pin 61 - X
Pin 62 - X
Pin 63 - knock cyl 4-6 input
Pin 64 - Uaefi Pin D11 cam sensor ground
Pin 65 - Uaefi Pin A7 cam 12v+
Pin 66 - X
Pin 67 - o2 sensor
Pin 68 - fuel tank vent valve output
Pin 69 - Uaefi Pin B16 fuel pump relay
Pin 70 - o2 sensor
Pin 71 - X
Pin 72 - X
Pin 73 - Uaefi B9 Dme relay ground
Pin 74 - A/C Compressor on dignal inpu
Pin 75 - o2 sensor
Pin 76 - o2 sensor
Pin 77 - X
Pin 78 - X
Pin 79 -X
Pin 80 - ASC
Pin 82 - ASC
Pin 83 - Uaefi Pin C7 Crank sensor signal
Pin 84 - X
Pin 85 - can-l
Pin 86 - can -h
Pin 87 - 12v+
Pin 88 - diaqnostics
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