S52 in 318is Should I go obd1 or obd2?

**Venom13132** · 03-07-2018, 07:37 AM

I just picked up a 94 318is auto with a blown motor. I am going to swap the s52 and 5-speed from my 1998 M Roadster into it (M is going LS1). Big question is should I convert the engine to obd1 or stay obd2. I am planning on selling the car as soon as the swap is done. So trying to look at it from a cost and effort stand point. I am not opposed to either option and I am capable of doing the work.
what do you all think?

Pictures of the cars just to make the thread better!

00D0D_bI17JIAlKZj_1200x900.jpg IMG_2148.jpg IMG_2146.jpg

**vollosso** · 03-07-2018, 07:41 AM

Obd2 100%

I can help you with the swap flash.

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**Venom13132** · 03-07-2018, 07:49 AM

Originally Posted by vollosso

Obd2 100%

I can help you with the swap flash.

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nice, thanks for the offer!!! Can you think of any additional parts I would need to pick up to get the obd1 car to run the obd2 engine? I cant take any of the body harness stuff from my M. Obviously ill take the engine harness and computer from the M for the swap. I need to pick up a pedal assembly from a manual e36 and some other small parts. Trying to get a list together to decide if I should try and ebay/craigslist/forum classifieds to get the parts or just find another parts car that has what I need.

**vollosso** · 03-07-2018, 07:58 AM

We put together this little pdf a couple years ago:

http://22rpd.com/img/obd2.pdf

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**Venom13132** · 03-07-2018, 09:35 AM

Originally Posted by vollosso

We put together this little pdf a couple years ago:

http://22rpd.com/img/obd2.pdf

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not sure what I am looking for in that link. just has info about your company and testimonials?

I didn't quite see much on that link.

**Mklock** · 03-07-2018, 09:43 AM

Doing the same swap my self, any pointers would be nice. Seems like an easy process for the most part from what I've gathered.

**vollosso** · 03-07-2018, 10:41 AM

Originally Posted by Venom13132

not sure what I am looking for in that link. just has info about your company and testimonials?

I didn't quite see much on that link.

Just had the website worked on, looks like they moved the file. ill attach the file later. It is the wiring diagram for obd2 to obd1 conversion.

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**Mklock** · 03-07-2018, 11:51 AM

Welp, thank god for the engineers to do all the hard work for us.

**vollosso** · 03-07-2018, 08:32 PM

Apparently they turned direct linking off for the time being, Attached is a JPG of the PDF. Easy job.

obd2-jpg.jpg

**Venom13132** · 03-08-2018, 07:10 AM

Originally Posted by vollosso

Apparently they turned direct linking off for the time being, Attached is a JPG of the PDF. Easy job.

obd2-jpg.jpg

That's what I was hoping for! Sounds like it is pretty simple to do the swap then. That is some pretty minor wiring much easier than switching to an OBD1 intake and all that.

What does basic computer programing run to make the swap work? (cost)