Operation and maintenance BMW 5 Series E12

Introduction to the BMW 5 Series E12 Manual
The Manual provides data on repair of BMW 5 Series cars produced from 1972-87 with sedan bodies. The book contains extended information on the following...

Vehicle Passport Data
Nameplate The nameplate is fixed in the engine compartment on the mudguard of the right front wheel. It indicates the model and series number of the vehicle,...

Lifting and towing a car
Lifting with a portable jack On each side of the car, reinforced sockets are provided in the door frames for installing a rack jack with a movable lever. When...

Controls and instrumentation
Controls and instrumentation: 1 - Light switch; 2 — indicator lamp for turning on direction indicators; 3 — fuel level indicator; 4 — fuel reserve indicator...

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 "O". Position "O": ignition off, steering locked. The...

Starting the engine
Make sure the gear shift lever is in neutral. In a car with an automatic transmission, the engine can only be started in the "P" or "O" positions of the...

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

Replacing the coolant
Remove the hex head cap from the lower radiator tank. Remove the hex plug from the engine block. Remove the radiator filler cap. Note: When draining the...

BMW «520i» power supply system
Fuel pump Every 60,000 km, clean the pump mesh filter: unscrew the screw plug; remove the filter, wash it in clean gasoline; install the filter with new...

BMW «520» carburetors
The engine has two Stromberg carburetors of the type "175 CDET", which do not require maintenance. Every 15,000 km, check the oil level in the carburetor shock...

Automatic heating of intake air
BMW "528", "525", "520" A heating flap 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 layer of grease such as Bosch 1 V 4 to the fibre pad (on the surface from the axis side) movable contact of the...

Clutch maintenance
Adjusting the clutch pedal free travel BMW "525", "528" The free travel of the pedal is adjusted automatically by the clutch drive slave cylinder. Check the...

Gearbox maintenance
Every 15,000 km, check the oil level in the gearbox housing, which should reach the lower edge of the filler hole. Every 30,000 km, change the oil in the...

Automatic transmission maintenance
Selector lever The selector lever is located on the floor of the body. It has the following six positions (see picture), indicated by light indicators. "P":...

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

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 hub...

Maintenance of the brake system
Service brake system Check the operation and adjustment of the brakes every 15,000 km. Parking brake system If the rear wheels are not braked when the drive...

Maintenance indicator
Some cars were equipped with a maintenance indicator. This indicator determines the frequency of maintenance depending not only on the mileage, but also on the...

On-Board Control System (OBCS) Unit
Some cars were equipped with a BSC unit installed on the roof in the area of the interior rear-view mirror. The BSC unit consists of an electronic control...

Software speed controller
As special equipment, a software speed controller ("cruise control") was installed on cars. It ensures the maintenance of a certain speed of the car, as well...

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

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General information: Maintenance BMW 3 Series E36 (1990-2000)

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