I recently adjusted the R259 Techlusion fuel mgt controller on my '03 RT, and wow- what a difference! It runs much smoother with more predictable throttle response. I have some, but limited, technical understanding of how this system works. I would like to improve my knowlege about this general topic and learn why BMW doesn't just re-tune the FI settings. The only noticable downside of what I have done is that my mileage has decreased by about 4-7 percent, but the plugs look normal (not dark or sooty). Tx.
Carl in Charlottesville
Techulsion
Moderator: AntonLargiader
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Techlusion's website has a lot of good info. Here is one page describing the changes from the older type to the R259.
http://www.dobeckperformance.com/motorc ... erence.asp
http://www.dobeckperformance.com/motorc ... erence.asp
R1100RS, R100R, K75RT, R100PD, R100GS, XR400R, R75/5x2, Jetta TDI