Motronic 2.2 DIY diagnostic tester

This is one of the best tutorials I’ve ever put my hands on. You see, all BMW injected bikes have a diagnostic plug. The catch is that a proper tester is about 600E. But you’re far away from civilization, far away from any BMW dealer, you don’t have the tester at hand and your bike just quit going without any warning. You still have to push it to the nearest repair shop, but, at least, you have a clue on what might be wrong with it. The solution is very simple as you’re supposed to carry a multimeter with you at all times, just in case.

http://www.largiader.com/articles/motronic.html

I’ve already tried it on my R11. The tutorial works for all Motronic 2.1, 2.2 and mechanical injection bikes. Should also work on Motronic 2.4, but I might need your feedback on it.

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