2007 BMW 7 Series Owner's Manual - Page 223

Your BMW has a special nut that serves as a body ground or negative terminal, refer to arrow 2. 5. Attach the second negative/- clamp of the jumper cable to the negative battery terminal or to an engine or body ground on the vehicle to be started. not lift the vehicle by the tow fitting. Otherwise, damage to the tow fitting and the vehicle can occur.< Access to screw thread Press the arrow symbol to push out the cover. Starting engine 1. Start the engine of the assisting vehicle and allow it to run for several minutes at a fast idle. 2. Start the engine on the other vehicle in the usual way. If the first start attempt is not successful, wait a few minutes before another attempt in order to allow the discharged battery to recharge. 3. Allow the engines to run for several minutes. 4. Disconnect the jumper cables again in the reverse sequence. If need be, have the battery checked and recharged. Never use spray fluids to start the engine.< Being towed Do not tow the vehicle by the rear axle; because there is no steering lock, the wheels could turn to an extreme angle during towing. There is no power assist with the engine stopped. This then requires increased effort for braking and steering.< Switch on the hazard warning flashers depending on the local regulations. If the electrical system fails, mark the vehicle to be towed, e.g. with a sign or warning triangle in the rear window. Selector lever in position N. Releasing shiftlock manually, refer to page 64. To avoid damaging the automatic transmission, do not exceed a towing speed of 45 mph/70 km/h and a towing distance of 95 miles/150 km.< Towing and tow starting Observe applicable laws and regulations for tow starting and towing.< Do not transport any passengers other than the driver in a vehicle that is being towed.< Towing methods In some countries, towing with tow bars or ropes in public traffic is not permitted. Familiarize yourself with the regulations on towing in the respective country. Using tow fitting The threaded tow fitting is stored in the onboard tool kit and must always remain in the vehicle. It can be screwed in at the front or rear of the BMW. Only use the tow fitting that comes with the vehicle and screw it in as far as it will go. Use the tow fitting for towing only on roads. Avoid lateral loading of the tow fitting, e.g. do With tow bar The towing vehicle must not be lighter than the vehicle to be towed; otherwise, it will no longer be possible to control vehicle response.< Mobility Reference 221 Online Edition for Part no. 01 41 0 013 316 - © 02/07 BMW AG Communications Entertainment Navigation Driving tips Controls At a glance