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Old 08-27-2009, 08:09 PM   #1
Petinko
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Potential M52 Project???

Hi, I'm pretty new here, but have driven BMW since I bought my 328i new in 1998. since then I've had a few come and go but the old 328i has stuck around.

She's begun to rust up and I no longer enjoy the ride like I once did.... Well not since I bought the E30!!!!!!!!!!!

I'd like to swap the engine... Is a step by step manual out there to help me with this?
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Old 08-27-2009, 08:34 PM   #2
matty.dc
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if you google it there should be a ton of posts on it including wiring and everything. I know you have the car there already but i have been strongly advised to use the m50 which is the non-vanos version of the motor prior to 95 i believe. Apparently less headaches.
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Old 08-27-2009, 09:31 PM   #3
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Welcome! I assume you mean a swap for the e30?

There is alot of information out there, but by no means are they step by step as every swap is different.

check out www.r3vlimited.com in their 24v section.
You can easily spend a few days reading up on it.
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Old 08-27-2009, 10:22 PM   #4
Petinko
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I guess the first post was a bit vague... I'm planning in ripping into the e36 to swap parts (motor) to the e30...

why would an M52 be a headache? has anyone done an M52 swap here that would like comment?
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Old 08-27-2009, 11:14 PM   #5
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+1 on r3v, lots of information there.
You'll need a couple of things more than what your 98 328i can provide.

m52 is a great motor though, good luck!
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Old 08-28-2009, 01:19 AM   #6
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ive been told the vanos is a headache to do with....problems, etc.
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Old 08-28-2009, 01:50 AM   #7
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Vanos is not the problem, the DME handles it so don't worry. The only reason that going the M50 route is so common is because of the EWS system. It disables your ignition and your fuel if the the computer doesn't recieve the green light from your EWS module that the car isn't being stolen. Because M50s were only produced in OBD 1 form, the only thing you have to do for them is get a red label DME.

Basically it goes like this. There is a chip in your key with a specific code in it. When the key is put in the ignition, an antenna picks up that code and sends it through transfer module to the EWS module. The EWS module processes that code and tells the DME its okay to start.

If you want to use the M52, you have two options. Convert it to OBD 1 by using OBD 1 sensors and intake manifold or 2. transfer the ews system from the 328 and find a way to make it look proper inside your e30. This will also result ina dual key setup, one to crank the car and one to disable EWS. To do the latter you will need to read up on the EWS and figure out which wires need to be kept and connected and which do not. There are guides out there, just look deep. The benefits are 10 fold in that the full potential of your motor is there thanks to VANOS (aka 200 lb/ft of torque instead of 120) and you have a factory security immobiliser to protect your baby)

This page should help you out, look at the diagram

http://www.r3vlimited.com/board/show...52+swap&page=2

Theres also writeups out there where people have listed the pinouts that you need for the engine harness adaptor including EWS

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Old 08-28-2009, 11:41 AM   #8
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M50 has vanos, 92 m50 didn't I think.

m52 also benefits from the odb1 conversion since it gets a bigger and better flowing intake manifold, good for a few extra ponies!
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