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|3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.|
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I have a 1986 325i M-Tech manual with a Bosch ECU with this model number:
0 265 103 004
Can somebody please advise what unit I have.
You have a Bosch 0 265 103 004.
Anyhow, that part number seems to be an ABS braking system controller and not your ECU. Your ECU is in the engine bay- inside the passenger side firewall, directly behind the battery connection post (or at least that is where it is in North American models).
Once you have teh correct part number, what are you hoping we can tell you about your ECU? For example, if you tell me you have a Bosch 12345678 ECU, then that is all I can tell you: that you have a Bosch 12345678 ECU
Should look something like this:
I think you should have one of these part numbers:
0-261-200-153; 0-261-200-173; 0-261-200-351; 0-261-200-380; 0-261-200-382; 0-261-200-524; 0-261-200-525; 0-261-200-526
Found the ECU
Underneath the dash, next to steering column
Motronic 0 261 200 073
I'm looking for the best performance chip to install now
Jim C/Tuner Motorsports
google turner motorsports...none better
what is the redline on your tach? and how many pins does your ECU have?
* if your chip is the 24 pin type... i am afraid there is no other DME that can work.
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