2006 BMW M3 Owner's Manual - Page 144
2006 BMW M3 Manual
Page 144 highlights
144 Jump-starting 3. Connect the second terminal clamp of the plus/+ jumper cable to the positive terminal of the battery or to a jump-starting terminal in the vehicle to be started 4. Your BMW is equipped with a special nut - see arrow 2 - to serve as the ground or negative terminal. Attach a terminal clamp of the minus/- jumper cable to the negative terminal of the support vehicle's battery or to a suitable ground on its engine or bodywork 5. Attach the second terminal clamp of the minus/- jumper cable to the negative terminal of the battery or to a suitable ground on the engine or bodywork of the vehicle to be started. 3. Allow the engines to run for several minutes 4. Disconnect the jumper cables in reverse sequence. Have the battery recharged at your BMW center as required. Do not use spray starter fluids to start the engine.< Starting the engine 1. Start the engine of the support vehicle and let it run for several minutes at a slightly elevated engine idle speed 2. Start the engine of the other vehicle as usual. If the first start attempt is not successful, wait a few minutes before another attempt in order to allow the discharged battery to recharge Online Edition for Part-No. 01 41 0 158 512 - © 09/04 BMW AG