1.1.4. Poddomkrachivaniye, towage and change of wheels
Poddomkrachivaniye and replacement of wheels
The jack delivered together with the car, it is necessary to use only for a car raising at replacement of wheels or installations of axial support under a frame.
Never lay down under the car and do not start the engine when the car leans only on a jack.
During wheel replacement the car should be parked on an equal platform, the parking brake is completely cocked, and wheels are blocked. Establish transmission in the provision of a reverse gear (manual) or in the situation Parking (automatic). Hook and remove a decorative cap (if it is available) by means of the pointed end of a ballonny key. Weaken nuts of fastening of a wheel on a half of turn, having left them on a wheel to тез a time while the last will not be lifted over the earth.
Place a jack head under a lateral part of the car, having made sure that it entered into specially for this purpose intended opening (directly behind a forward wheel, or before back). Establish a ballonny key and turn its handle clockwise until the wheel will not start to come off the earth. Completely give bolts of fastening of wheels, remove a wheel and establish on its place spare.
Put bolts of fastening of wheels and tighten them fingers. Lower the car, turning a ballonny key counter-clockwise. Take out a jack and tighten bolts in turn on a diagonal with demanded effort. If you have no dinamometrichesky key, as soon as possible check efforts of a tightening of bolts in dealer office of the BMW service or at the expert in replacement of wheels. Establish a decorative cap.
Poddomkrachivaniye, towage and change of wheels
Preferably, however, at any type of transmission to tow the car with the driving (back) wheels lifted over the earth.
For gearing of the towed car specially designed equipment which fastening should be made to elements of a bearing frame of the car, instead of to a bumper or to bumper arms should be used. The towing equipment of hummock type cannot be used on these cars.
Observance of safety rules is one of the major requirements at car towage. The parking brake should be released, transmission is established in neutral situation. The steering should be unblocked (the ignition key in situation "1"). Remember that at the switched-off engine the mechanism of hydrostrengthening of a wheel and the vacuum amplifier of brakes do not operate.