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Home >> BMW >> 2007 >> Z4 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Electrical System - Repair - E90/E91, Z4 >> 00 Troubleshooting >> 12 00 ... Instructions on starting aid

12 00 ... Instructions on starting aid

Do not start the engine with help of starting sprays.

Preparation:  Conform with the following when starting engine with starting cable.

CAUTION: Never touch ignition system components and current - dangerous high tension!

If the battery in the vehicle supplying power is weak, start the engine of this vehicle and let it run at idling speed.

Carrying out:  Always conform with the procedures to avoid injury to persons or damage to parts.

CAUTION: Never connect second jump lead (black) to negative terminal of battery in vehicle to be started. This would produce explosive gas which could be ignited by sparks.
WARNING: Danger of explosion!  After engine of vehicle to be started has started up, first disconnect the jump lead on the negative terminal/ground connection. Then remove jump lead from positive terminals.