Status

Engine runs well and has been tuned very well for daily driving and up to 1.2 bar boost.

VEMS Genboard specification

1-wire interface: No $FlgChr1$FlgChr> ignition drivers: 8 $FlgChr2$FlgChr> Knock and EGT: Knock and 2 EGT $FlgChr3$FlgChr> LCD and PS2: Yes $FlgChr4$FlgChr> MAP connection: 400 kPa on-board (5/3 mm pneumatic) $FlgChr5$FlgChr> mounting-style: no screws $FlgChr6$FlgChr> Power flyback: No $FlgChr7$FlgChr> primary_trigger: VR $FlgChr8$FlgChr> secondary_trigger: Hall

Here is the [config.txt] and [tables.txt] for firmware 1.0.73.

Engine specification

Complete stock harness was re-used with VEMS Genboard, Motronic connector cut off and Econoseal put in it's place.

* BMW M50, 24 valve non-VANOS, 6 cyl

* Custom exhaust manifold

* Custom intake manifold

* Stock bottom end

* Turbo is diesel Garrett GT40 (1.18 A/R turbine), 58/65 in/out

* 1000 cc low-Z injectors with 6.8 Ohm resistors and 30V TS diode, very good control!

* Stock COP system, passive coils fired directly by Genboard IGBTs

* Only primary trigger used, stock 60-2 wheel and sensor

* The stock knock sensor is not currently used.

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