BMW e30 320is / 2.3

[Mario320isc]

  To greet you all, I'm Mario from Serbia. In the beginning immediately apologize for my poor knowledge of English. I am starting a project and I need all your help. Thank you all in advance.

Its my BMW e30 320is cabrio 93y.  He was originally a 318i but 3 years ago I put S14B20 engine. Now i am planing to put S14B23 with VEMS. The main question is what is required of a sensors to install VEMS?

[Mario320isc]

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[gunni]

You can use all your standard sensors, but your crank sensor might not work, it´s best to scope it with a oscilloscope to see what it looks like, I´m guessing it´s the flywheel teeth and a single reference tooth on the crank as well (Motronic 1.0 version)

You can always add a 60-2 trigger wheel on the front pulley to simplify the ecu installation

[Mario320isc]

I want to install carbon airbox, so i must replace this junk of volume air flow sensor. What is the best to install in thet situation? MAP sensor?

[gunni]

Ideally you will then mount a variable resistanse TPS sensor like from a M50 or similar.

[DevInAz]

Hi Mario,

Like Gunni said I would first start off with you crank signal. With our US engines we can add a 60-2 front crank pulley like number 1 in this picture: http://www.penskeparts.com/DiagramsMain.aspx?vid=47318&rnd=03192010  you can then run this car with a VR crank sensor very easily and get a good signal.

http://www.penskeparts.com/DiagramsMain.aspx?vid=47312&rnd=03192010   -    stock e30 m3 crank sensor in transmission - I would not use this if I were you but it is possible to use.

If you can wait a week or two I can check out a e30 m3 at the shop for more specifics.

Are you going to be running very high duration cams or stock? A on board map sensor like a 300 or 400kpa would be very nice most likely.

Have you already ordered your vems? if you need faster help shoot me an email [email protected]

[Mario320isc]

 At first, it'll be a factory engine that would VEMS made to work right.  After that, i will install a 284/276 degree Schrick Camshaft and Carbon airbox.
BMW M20 and M50 engine has 60-2 front crank pulley. Can I use  puls generator (crank sensor) from M20 engine? TPS from M50 engine?  Wide band O2 sensor?
http://bmwfans.info/parts/catalog/E30/2-doors/Europe/M3-S14/1989/browse/exhaust_system/exhaust_manifold/

[Mario320isc]

I did not order VEMS yet. First, let's see what I wil need from the sensors.

[DevInAz]

You can use whatever sensors you want if your willing to build a harness and brackets for the sensors. If I were doing this I would get the crank sensors off a bmw 318 with a m42 engine. It should be very close to plug and play. m50 tps work very well. If you wanted you could make a hall cam trigger pretty easily if you wanted to get rid of the factory ignition distributor.

[Mario320isc]

Vems is instaled and working fine. Now how to get rpm on dashboard?
thx

[gunni]

you can use either the stepper channels or one of the P259 channels that has a pullup already.