howelll wrote:If the coils are the same as the m50 ones, you will need the bip drivers with a 330 ohm resistor. Optionaly you can use GM LS coils, those are logic level input.
LoukakIS wrote:No the coils are not like M50s, they have 3wire each as Matt said(12V, groung, signal)
Here is the cable from the coils to the sparks(http://bmwfans.info/parts/catalog/E36/C ... park_plug/).
Here are my coils(http://bmwfans.info/parts/catalog/E36/C ... tion_coil/)
Yes Matt, stable rpm when cranking at 250rpm.
I attached the Darlington transistors(BC879) to convert the 5V MS3X signal to 12V. I'm going to try it in the next hours. Will that be fine?
Matt Cramer wrote:Yep - BMW coils are 3 wire, but they're not logic level.
Are you getting a good solid RPM signal while cranking?
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