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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 12-18-2009, 05:35 PM   #1 (permalink)
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OBD1 chip tuning

I'm new to the forum and to be honest BMWs (as far as performance goes at least). Albeit I am far from new to cars- at this point my daily is a 00 Civic si, to be a b20vetec turbo next year after car is paid off (wanted good credit is why i got the loan). My old school car is a 1978 280z about to have a big block Cadillac 500 stuffed in it. 5600 rpm about 500hp BUT has about 700 foot pounds at 2800 rpm the car now weighs in at 2530 with the motor swap should weigh about 2800 or so pounds perhaps a bit less.
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So I will have my 4cyl turbo and a natural aspirated v8 car. I am now looking at BMWs for a l6 car. I've done quite a bit of reading though there are only many things I can find through Google and this sites (as well as others) search function. The best car it looks to be to start out with is a 1995 m3 (or a 325is) for the obd1 system even though the later models have a larger motor its better to have the obd1 (at least IMHO from my readings).

So that being said the one thing I can't find is this. In the ecm/ecu in the m3 or 325is 95 and older obd1 systems do they have a eprom chip inside of them? I have the ability to tune just about anything as long as it has a eprom chip in the ecu/ecm. (FOR MYSELF BTW please do not ask me to tune your car)

If it does have a eprom chip I also would like to know how many pins it has as well.

Lastly if it does not have a eprom is it a eeprom chip or is it like the Nissan computers that don't have either? Or does it run consult etc.

Basically- the way I've tuned cars in the past is not through a standalone or piggyback but through real time chip emulators - and at this point I am looking to see if it is possible to tune these cars the same way.

Thank you to whom ever helps on this subject.

Fayt Morgan-
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Old 12-18-2009, 07:22 PM   #2 (permalink)
OMFG another one!?
 
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witeshark is just really nicewiteshark is just really nicewiteshark is just really nicewiteshark is just really nicewiteshark is just really nice
Very interesting cars so far, any pics? Good luck on the hunt, looks like you're on the right track so far.
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Old 12-18-2009, 07:45 PM   #3 (permalink)
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http://i938.photobucket.com/albums/a...morgan/2-1.jpg
caddilac 500

before i took off the bumpers my 78 z 81k on it
http://i938.photobucket.com/albums/a...ytmorgan/8.jpg

http://i938.photobucket.com/albums/a...tmorgan/13.jpg

Here is my b20z sitting next to my old 240sx ka24de motor (240 motor is sold)
http://i938.photobucket.com/albums/a...ytmorgan/b.jpg

here is my old 240 project had 41k miles on it.
http://i938.photobucket.com/albums/a...ytmorgan/c.jpg
http://i938.photobucket.com/albums/a...ytmorgan/a.jpg

so i take it you don't about the obd1 ecu?

oh yeah i don't have any pics of the si right now if you guys really want i can but its winter now and looks like crap.
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Old 12-18-2009, 07:53 PM   #4 (permalink)
OMFG another one!?
 
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Yeah, not a big expert on chips *shrug* Great looking Z
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Old 12-18-2009, 07:57 PM   #5 (permalink)
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it needs body work. thanks
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Old 12-19-2009, 03:35 PM   #6 (permalink)
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bump
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Old 12-19-2009, 09:10 PM   #7 (permalink)
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hey dude, done any dynos?
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Old 12-21-2009, 09:12 AM   #8 (permalink)
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so I take it that no one on here knows how anything about bmw computers?
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Old 12-21-2009, 09:57 AM   #9 (permalink)
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looks that all obd1 have an eprom chip

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