BMW 3 & 5 Series (1983 1991) Service And Repair Manual. The E28 5-Series models were introduced in October 1981, and were supersededin June 1988 by the revised E34 5-Series range, Touring versions of whichecame available from March 1992.Throughout this manual, E28 models are also referred to as “oldshape”, whileE34 models are designated “new-shape”.The models covered by this manual are equipped with single overhead camin-line four- and six-cylinder engines. Early 316 and 518 models are fitted
with carburettors, but all other models are fitted with fuel injection systems. Transmissions are a five-speed manual, or three- or four-speed automatic.
The transmission is mounted to the back of the engine, and power is transmitted
to the fully-independent rear axle through a twopiece propeller shaft. The final drive unit is bolted solidly to a frame crossmember, and drives the rear wheels through driveshafts equipped with inner and outer constant velocity joints.
The front suspension is of MacPherson strut type, with the coil spring/shock
absorber unit making up the upper suspension link. The rear suspension is
made up of coil springover-shock absorber struts, or coil springs and conventional shock absorbers, depending on model.

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