[roger 04 rt]

Originally Posted by dutch97501

When I had my 1150gs I went with these people and replaced the eprom

http://www.bbp.homepage.t-online.de/r15gse.htm

It worked well and gave me better fuel mileage

Thanks, had written to them and got some answers. They kept closed loop and delivered most of the gain by advancing timing and a little more fuel above 60% throttle if memory serves me correctly.