2007 BMW 5 Series Owner's Manual - Page 248
2007 BMW 5 Series Manual
Page 248 highlights
Giving and receiving assistance Jump starting When your battery is discharged, you can use two jumper cables to start your BMW with power from the battery in a second vehicle. You can also use the same method to help start another vehicle. Use only jumper cables with fully-insulated clamp handles. To avoid the risk of potentially fatal injury, always avoid all contact with electrical components while the engine is running. Carefully adhere to the following sequence, both to prevent damage to one or both vehicles, and to guard against possible personal injuries.< 1. Fold open the cover of the BMW jumpstarting terminal. To do so, pull the tab. Preparation 1. Check whether the battery of the other vehicle has a voltage of 12 Volts and approximately the same capacitance in Ah. This information can be found on the battery. 2. Switch off the engine of the assisting vehicle. 3. Switch off any electrical systems and components in both vehicles. There must not be any contact between the bodies of the two vehicles, otherwise there is a danger of shorting.< 2. Attach one end of the jumper cable plus/+ to the positive terminal of the battery or a jump-starting terminal of the vehicle providing assistance. 3. Attach the second end of the cable to the positive terminal of the battery or to a starting-aid terminal of the vehicle to be started. 4. Attach one end of the jumper cable minus/- to the negative terminal of the battery or to an engine or body ground of the assisting vehicle. Your BMW has a special nut as body ground or negative terminal. Connecting jumper cables To avoid personal injury from sparks, follow this sequence when connecting jumper cables.< In your BMW, the so-called jump-starting terminal in the engine compartment serves as a positive terminal for the battery, also refer to engine compartment overview on page 229. The cover cap is marked with a +. 5. Attach the second end of the cable to the negative terminal of the battery or to the engine or body ground of the vehicle to be started. 246 Online Edition for Part no. 01 41 0 013 308 02/07 BMW AG