Rev limiter, 600 mile service question!

[ThePainClinic]

Took it out to west Texas today and opened it up. 9,000 was the max I could get out of it - it just sort of sputtered as soon as i hit it. The dealer has contacted BMW to request approval to do something to the computer, I dunno maybe reflash it?

[cwcary]

ThePainClinic,

Just a shot in the dark here, but have any modifications been made to the bike involving the electrical system prior to your 600 mi service?

My dealer service tech, told me that a customer had changed to an after market exhaust, which entailed among other things, removing the two (2) servos in the exhaust system. When it came time to remove the limiter the the dealer was unable to accomplish because the computer would not allow it. The cure was to reinstall the OEM system and then the limiter could be removed. Strange, huh. Accordingly, I postponed some of my modifications until after the limiter had been removed.

Just a thought,

Curtis

[ThePainClinic]

Hmmm interesting. I bought the bike with 16 miles on it and it still has the factory exhaust set up on it. I've never had anything else on it. Looks as if the service manager is going to seek approval from BMW to do some type of reprogram on the electronics....

[cwcary]

Well, ThePainClinic,

From your reply, I'm not sure I stated the anomaly succinctly. The problem is not just associated with an after market exhaust. It could have been say a fender eliminator kit with it's own turn signals like the Werkes Competition, etc. The problem seems to be that the ECU will not allow the rev limiter to be removed if it detects some change in the electrical system, why I don't know. So the question remains, was any modification with electrical ramifications completed prior to the first service?

Curtis