Drivetrain ECU Adaptation clip from European Car...
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2nd Gear
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From: Northern Virginia
http://www.mini2.com/forum/showthrea...threadid=22770
This is from the December 2002 issue, its in the article about the Audi's but it seems to apply to the MINI's ECU as well.
"The focus of AWE power prduction is on bolt-on parts and chip tuning. 'When you're tuning the cars, you really have to have somebody who understands the chip tuning and the ECU,' said Todd. 'That's usually the limiting factor with these newer cars. On some cars, you can't change the exhaust unless you couple it with chip tuning, because there are special adaptive modes that may tune out any advantage you thought you had made by installing a shigher performance part. Sometimes the ECU will shoot for the parameters it thinks it needs to see, and in the process it may negate whateer power advantage may have been made by the parts if the corresponding chip changes had accompanied it. The Bosch ME7 in the S4 is highly adaptive, but when Audi went to the drive-by-wire throttle it complicated things quite a bit. You could increase boost and the DME 7 would shut down the party by turning back the throttle. It thinks, 'This isn't supposed to be happening, we aren't supposed to be seeing these mass airflow readings!' So unless you really have someone that's knowledgeable in this area, you're doomed to making claims without being able to back them up."
Add all this to the fact the MINI has problems overheating when sitting on a dyno, I'd take ANYONE's claims of HP gain with a big fat grain of salt.
Tom
This is from the December 2002 issue, its in the article about the Audi's but it seems to apply to the MINI's ECU as well.
"The focus of AWE power prduction is on bolt-on parts and chip tuning. 'When you're tuning the cars, you really have to have somebody who understands the chip tuning and the ECU,' said Todd. 'That's usually the limiting factor with these newer cars. On some cars, you can't change the exhaust unless you couple it with chip tuning, because there are special adaptive modes that may tune out any advantage you thought you had made by installing a shigher performance part. Sometimes the ECU will shoot for the parameters it thinks it needs to see, and in the process it may negate whateer power advantage may have been made by the parts if the corresponding chip changes had accompanied it. The Bosch ME7 in the S4 is highly adaptive, but when Audi went to the drive-by-wire throttle it complicated things quite a bit. You could increase boost and the DME 7 would shut down the party by turning back the throttle. It thinks, 'This isn't supposed to be happening, we aren't supposed to be seeing these mass airflow readings!' So unless you really have someone that's knowledgeable in this area, you're doomed to making claims without being able to back them up."
Add all this to the fact the MINI has problems overheating when sitting on a dyno, I'd take ANYONE's claims of HP gain with a big fat grain of salt.
Tom
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