problem solved, it was the gap between the crank pos sensor.
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rev limit backfire @5k on an i motor??
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yeah, sorry I didn't see this earlier, your datalogs indicate that MS was losing timing(hence the drop to 0rpm at 5k). oil on the trigger wheel, big gaps, and shitty shielding on the wires can all cause that issue. If you have more issues of random sync losses, you need to consider moving your CPS wires, or shielding them with something else. Or moving to a hall sensor.'84 318i M10B18 147- Safari Beige
NA: 93whp/90ftlbs, MS2E w/ LC, 2-Step
Turbo: 221whp/214ftlbs, MS3x flex @ 17psi
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