| Originally posted by nosuchsol@May 8 2003, 02:55 AM |
Yah, for all the other cars I've owned I never had to buy a new ECU just reset it for certain modifications.
Exactly. It's kind of odd that one would have to reprogram the whole system for a mild bolt on like an air intake. Reprogramming after installing new turbos I can understand, considering the ECU would be running fuel maps, etc, for teh specs of teh old turbo(s) and possibly cause major damage.
I reallyhave to wonder if the fuel map in the Bimmers is set with constants for ai/fuel mix or variables. It would be odd if they were constants, in fact it would make no sense to me at all. Eventually it could cause your car to run lean/rich because the ECU wouldn't be adjusting to things like elevation, octane, air volume, poo particles in the air/fuel lines, and your occasional Hydrogen Midget (very dangerous).
Does anyone know if there is another way to tap into the ECU besides the 20 pin round connector in the engine bay?
Good luck Drew.