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Old 05-11-2013, 04:51 PM
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540iman 540iman is offline
resident, old fart
Location: N.W. Indiana
 
Join Date: Sep 2008
Posts: 1,503
Mein Auto: 2002 540i sport
EXACTLY what error are you getting? Do you have a multi-meter? The car in question is the M5, correct? Do you want to walk your way through it and I will take you under my wing such that you understand 100% how the sap works and maybe a little bit about electronics. If the answer to all these questions is "yes", then go to one of the big box hardware stores and tell the people in the electrical department that you want a digital multi-meter capable of reading up to 10 amps. If you are in luck, you should find one for under $30. You don't sweat it as you will likely have two and your second one can be a "Fluke" brand bought on Ebay. You will use it a thousand times over the course of your lifetime. Might as well get handy-now.
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