Operation and maintenance BMW 5 Series E12

Introduction to the instructions for the BMW 5 Series E12
The manual contains data on the repair of cars BMW 5 Series Edition from 1972-87 with sedan bodies. The book contains extensive information on the following...

Passport data of the car
Nameplate The nameplate is affixed in the engine compartment on the mudguard of the right front wheel. It lists the vehicle model and serial number, gross...

Lifting and towing a car
Lifting with a portable jack On each side of the car in the door boxes there are reinforced sockets for installing a rack and pinion jack with a movable arm....

Controls and instrumentation
Controls and instrumentation: 1 - lighting switch; 2 — a control lamp of inclusion of indexes of turn; 3 - fuel gauge; 4 — a control lamp of a reserve fuel; 5...

Heating and ventilation controls
Heating and ventilation controls: 1 - air flow distribution switch; 2 - heater fan switch; 3 - heater tap control switch; 4 - control lever for air supply to...

Ignition key position
The ignition key positions are indicated on the lock cylinder. Insert the key into the lock in position «ABOUT». Position «ABOUT»: ignition off, steering...

Engine start
Make sure the shift lever is in neutral. On a car with an automatic gearbox, the engine can only be started in positions «R» or «ABOUT» selector lever. BMW...

Cooling system
Coolant temperature gauge The pointer scale has two colored zones. blue zone : the engine is not warmed up, you can drive at low speed and at medium engine...

Coolant replacement
Remove the hex cap from the lower radiator tank. Loosen the hex head plug from the engine block. Remove the radiator filler cap. Note. When draining the...

Power system BMW «520i»
Fuel pump Clean the pump strainer every 60,000 km: unscrew the screw plug; remove the filter, wash it in clean gasoline; install the filter with new gaskets....

Carburettors BMW «520»
The engine has two Stromberg type carburetors «175 CDET», maintenance-free. Every 15,000 km, check the oil level in the carburetor shock absorber housing:...

Automatic intake air heating
BMW «528», «525», «520» A heating damper is installed in the intake pipe of the intake silencer, controlled by a thermostatic element due to thermal expansion....

Ignition system
Distributor Every 12,000 km, apply a thin film of Bosch 1 V 4 grease to the fiber pad (on the surface from the side of the axis) movable breaker contact....

Clutch maintenance
Clutch pedal free play adjustment BMW «525», «528» Pedal free play is controlled automatically by the clutch slave cylinder. Every 60,000 km, check the degree...

Gearbox maintenance
Every 15,000 km, check the oil level in the gearbox housing, which should reach the lower edge of the filler hole. Change the oil in the gearbox housing every...

Automatic transmission maintenance
Selector lever The selector lever is located on the floor of the body. It has six following positions (see picture), indicated by indicator lights. «R»:...

Steering Maintenance
Mechanical steering The steering gear case is filled with oil that does not require replacement and does not have a drain plug. Every 15,000 km, check the oil...

Front and rear suspension
Every 15,000 km, check and, if necessary, adjust the axial clearance of the wheel hub bearings. Every 60,000 km, check the amount of grease in the wheel...

Brake system maintenance
Service brake system Every 15,000 km, check the operation and adjustment of the brakes. Parking brake system If the rear wheels do not brake when the drive...

Maintenance indicator
On some cars, a maintenance indicator was installed. This indicator determines the frequency of maintenance, depending not only on the mileage, but also on...

Onboard control system unit (BCS)
Some cars were equipped with a BSK unit installed on the roof in the area of the internal rear-view mirror. The BSC block consists of an electronic control...

Software speed controller
As a special equipment, a software speed controller was installed on cars («Cruise control»). It maintains a certain vehicle speed, as well as accelerating or...

On-board computer
As a special equipment, the cars were equipped with an on-board computer, which was installed under the right central ventilation nozzle. The front of the...