E39 series BMW 5

since 1996-2001 of release

Repair and car operation

+ Introduction
+ Maintenance instruction
+ Current leaving and service
- Engine
   + Procedures of repair of the engine
   - System of greasing of the engine
      Scheme of a contour of circulation of oil
      Check of pressure of oil
      Removal and installation of the pallet of a case
      Removal, installation and check of the oil pump
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Schemes
+ System of onboard diagnostics

Removal, installation and check of the oil pump


Models 520i, 523i, 528i (M52 engine)

For check of operation of the vacuum valve it is enough to remove the case pallet previously. The oil pump can be not removed.


1. Remove the case pallet, address to the Section Removal and installation of the pallet of a case.

2. Unscrew a nut and remove an asterisk of a drive of the oil pump. Thus weaken a natyazhitel of a chain. Address to an accompanying illustration.

The nut has the left carving.

3. Unscrew fastening bolts (arrows on an accompanying illustration) the oil pump and remove it. Pay attention to two adjusting plugs necessary for the correct installation.

4. Remove the case pallet down.



1. If necessary disassemble the oil pump and clear it in the following order: Disconnect soaking-up branch pipe, having unscrewed bolts (13), unscrew bolts of fastening of the case of the pump (5). Do not lose adjusting plugs (4). Address to an accompanying illustration.
2. Check rotors (2) both (3) on wear and existence задиров, if necessary replace them. Measure a radial gap between an external rotor and the case; axial gap of an internal rotor. Data are provided in Specifications.
3. Remove a lock ring (10) and remove the reduktsionny valve, address to an accompanying illustration. Measure length of not loaded spring, if necessary replace it. Demanded value is given in Specifications.

Sealing ring (8) it is surely replaced with the new. Carefully insert the reduktsionny valve, insert a lock ring.

4. Fix soaking-up branch pipe. The ledge on consolidation should look towards a soaking-up box.
5. All details grease with impellent oil. Slightly the moment of 10 Nanometers fix a cover of the oil pump.



1. Insert the oil pump, bolts of fastening tighten the moment of 20 Nanometers. For a centering of the case of the oil pump there are two adjusting plugs. Establish an asterisk with the put-on chain and tighten a nut (the left carving) the moment of 25 Nanometers. Establish a natyazhitel if he acted in film.
2. Fix the case pallet, address to the Section Removal and installation of the pallet of a case.