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Old 01-23-2014, 08:52 PM   #16
DIY
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Goto how stuff works and learn about electrical systems,... We could literally write pages about this stuff... No offence but your asking for a lot here, mainly because most of that info is out there... Start with the basics of the point of all of the sensors, then worry about the difference of the different types. This should be pointed out by megasquirt anyway... And at the end of the day you might get luckey because Bullet ride now has an E28 and who knows how far that project will go...if you need info on the E28 sensors specifically I'd ask him, but if you can find the part number chances are you can find out yourself
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Old 01-24-2014, 08:36 AM   #17
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Quote:
Originally Posted by captain E34 View Post
Im putting it in my e28, and i read over a document on mye28.com about installin ms2 and how certain sensors need to be replaced like the crank sensor. But with the ms3, it has many different settings for hall, vr, eft sensors and i dont know what the stock e28 sensor is. I do have an m60 with a crank sensor which i believe is vr. If the stock m30 isnt proper
If you want to make your life easier, I'm pretty certain that the later M30's (from the E34) had a 60-2 wheel up front just like the M20. Which uses a VR sensor.

And it's all bolt on and is proven to work reliably.
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Old 01-24-2014, 08:51 AM   #18
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If you want to make your life easier, I'm pretty certain that the later M30's (from the E34) had a 60-2 wheel up front just like the M20. Which uses a VR sensor.

And it's all bolt on and is proven to work reliably.
Thanks, ill will check on my friends e34 and see if the wheels are different and how theyre different,

Also i believe i need to change thr tps. Either the newer m30 model or one from an m5x. An adapter will be needed to fit the m50 model of tps.
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Old 01-24-2014, 09:21 AM   #19
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automatic M30 E34's TPS will also work (but harder to find used IMO).
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Old 01-24-2014, 09:28 AM   #20
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automatic M30 E34's TPS will also work (but harder to find used IMO).
So there is a difference between the auto and manual tps sensors? Seems kinda odd, concidering it just changes the signal to the ecu...
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Old 01-24-2014, 09:41 AM   #21
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it's not odd at all if you understand why...

The manual one is is just on/off style because the ECU only cares about if you're WOT or not. Load is solely determined by the barn door style AFM.

While the automatic TPS does the same thing for the ECU it has an additional output via a potentiometer which goes to the TCU which is variable like normal/modern TPS sensors. That helps the TCU determine load by pedal position and therefore line pressure.
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Old 01-24-2014, 10:06 AM   #22
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I understand what your saying, i had no idea that the auto used a second resource like the tps to define how much load is on the engine. But i guess the more inputs the better!
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Old 01-26-2014, 11:54 AM   #23
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I have ms3-pro on my e36 328ti....wired to the OEM DME connector leaving the harness 100% stock besides 3 extra wires for the MAP sensor. I would firstly use the later m30b35 electronics (trigger wheel, sensors and harness) if you're running this into the e28. I think MS3 can work the original b34 VR sensor now but 60-2 would be a better option IMO. Not to sound like an echo but once you read read and read up more on the megamanual everything will be a lot more straightforward and you an wire up your MS easily with little to no assistance. I also have run ms2 on an m30 which was in my e30 so I can help you here. For the tps the m50 works well but you'll need an adapter plate of some sorts. I did have an auto variable m30 tps that works too and is bolt-on, keep searching the junkers and you'll find one! Keep reading, asking Qs...we shall be here
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Old 01-26-2014, 12:21 PM   #24
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Thanks alot e30 kid, ive been reading as much as i can!, ill continue reading and asking questions!, the m30 tps would be nice, checked the junkers, nothin uet and i wonder if an adapter plate is available for the m50 tps
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