Car engine lubrication system BMW 5 Series E39

Lubrication system — general information
BMW engines must use all-season oils. This has the advantage that the oil does not have to be changed at the beginning of a new season (summer / winter)....

Application areas / viscosity classes of motor oils
The SAE classification specifies viscosity (viscosity flow) motor oil. For example, the designation SAE 13W-40 indicates the following: 10 - viscosity of oil...

Motor oil specification
The quality of motor oils is designated according to the standards of car manufacturers as well as oil manufacturers. European oil manufacturers classify their...

Standard engine oils for BMW 5-series cars
Petrol engines It is recommended to use Longlife-Ole engine oils prescribed by BMW. Note: For small replenishments between scheduled engine oil changes, you...

Oil circulation
BMW engines have a so-called circulating lubrication system. The oil pump sucks oil from the oil pan through an oil receiver with a mesh and forces it into the...

Checking oil pressure
Check and top up the oil level if necessary. Warm up the car engine to an oil temperature of approximately +80°C. The hydraulic switch of the oil pressure drop...

Removal and installation the oil pan
Engine oil pan for 520i, 523i, 528i models 1 - oil pan 2 - hairpin 3 - sealing ring 4 - oil level sensor 5 - hex nut 6 - sealing ring, size A12x15.5-AL 7 -...

Removal and installation / checking the oil pump
Removal in cars of models 520i, 523i, 528i (m52 engine) Note: To check the operation of the safety valve, it is sufficient to first remove the oil pan; the oil...

Diagnosing oil circulation problems

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information: