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I started my 1990 K75RT and the starter would not stop. I shut off the kill switch and ignition. I could not get it to stop until I disconnected the battery. Any ideas?
Took 3 tries, built my own solid state version. Been running V3 since '02 & never looked back. It's considered an "unconventional" answer , oh well... <<<)))
While good that BMW addressed the problem, the relay won't even try to start the engine on a weakened battery.
Solid state drivers will feed whatever power the battery has, the trick is in protecting the drivers from heat damage. Anyone interested can email me, I'll send them schematic & description. L8R <<<)))
Sounds like the same problem I'm having. I have heard that when you try to start the bike with the battery not fully charged, the starter relay does not properly engage and the relay might stick "on". I am told the only fix is to replace the starter relay.
First of all, I really appreciate the tips for getting this fixed. I also ran the battery down (all the way, no less) and suffered the ill-fated stuck starter. I charged the battery, and tried again, but none of the tricks worked. I thought I was going to be resigned to hunting down that darn relay to bang on it or pry it open, when the local BMW mechanic gave me this routine. He said it works EVERY time. He was right, as it worked first try for me.
1. With negative cable disconnected charge battery to full. If it's an old or bad battery that won't take a full charge, replace it before going to the next step.
2. After battery is fully charged, with key on, hold starter button down, and then reconnect the neg. battery.
3. As soon as you connect the battery, the bike should start. After the bike starts, release the starter button.
4. With the bike running, tap the starter button once or twice QUICKLY.
5. Turn the bike off, and she's all fixed.
I hope this helps!