Car steering BMW 5 Series E12

Steering Specifications
Mechanical steering Before model year 1982 on BMW «518», «520», «520i», «525» mechanical steering was installed with a globoidal cylindrical worm mechanism - a...

Details of the steering trapezoid
Steering linkage details: 1 - pendulum lever; 7 - bipod; 13 - rotary lever; 15 - medium thrust.

Steering Shaft Parts
Steering Shaft Details: 1 - clutch; 3 - elastic coupling; 7 - flange of the elastic coupling; 9 - steering shaft.

Steering Gear Parts of Mechanical Steering
Steering Gear Parts of Mechanical Steering: 1 - worm shaft; 4 - steering gear housing; 5 - needle bearings of the bipod shaft; 10 - plate-shaped thrust washer.

Details of the steering mechanism with power steering
Power steering parts: 1 - bipod shaft assembled with a gear sector; And — a case of the steering mechanism; B - worm plunger; B - ball and ball circulation...

Power Steering Hydraulic System
Power steering hydraulic system: B - steering mechanism; P - pump; R - tank; 4 - pump pulley.

Power steering section
Section of the steering mechanism with hydraulic booster: 1 - steering gear housing; 2 - piston; 3 - ball circulation guide tube; 4 - balls; 5 - worm shaft; 6...

Power steering pump
Power steering pump: 4 - leading roller; 15 - rotor-stator assembly; 25 - overpressure valve.

Removing the steering gear
Set the steering wheel to the straight ahead position. Loosen and remove the nut securing the medium-thrust ball stud to the bipod. Using a BMW 6082 puller,...

Steering gear disassembly
Drain the oil from the steering box. Make sure that there are marks for the relative position of the bipod relative to the bipod shaft. If necessary, apply...

Steering gear assembly
Clean the parts, check their condition. Press new needle bearings, the outer ring of the upper bearing of the worm shaft and new oil seals into the steering...

Steering gear installation
The steering mechanism is installed in the reverse order of removal, taking into account the following: tighten the bolt securing the steering gear housing to...

Removing the steering gear (with power steering)
Turn the steering wheel all the way to the left so that the steering piston is in the upper position, then drain the oil from the steering gear housing. Loosen...

Disassembly of the steering mechanism (with power steering)
After making sure that there are alignment marks on the bipod and on the end of the bipod shaft, remove the bipod with puller 7027. After loosening the...

Assembly and installation of the steering mechanism (with power steering)
Note. It is recommended to replace the o-rings every time the steering mechanism is disassembled, even if they appear to be in good condition. Before...

Bleeding hydraulic brakes
Remove the power steering reservoir cap and fill it with oil up to the normal level mark. Start the engine and add oil to the reservoir as the level drops...

Steering wheel force check
Remove the steering wheel trim (mounted on snaps). Disconnect the bipod ball stud from the middle steering link. Install the drive sleeve on the steering wheel...

Power steering pump repair
If the discharge pressure is insufficient, first check the tension of the pump drive belt (the normal deflection of the belt when pressing on the middle of the...

Features of disassembly and assembly of the pump with capacity control depending on the speed
After removing the rotor, remove the plate from the drive side. Remove the drive belt pulley, oil seal and circlip. Press the shaft and ball bearing out of the...