BMW 645Ci Convertible Technical Information PDF herunterladen (Seite 6)

Maintenance System

The BMW Maintenance System has been

devised with the following objectives: to

maximize vehicle safety, reliability, and resale

value by minimizing breakdowns resulting

from wear, and minimizing cost and inconven-

ience by computing maintenance intervals

based upon the specific manner in which

each individual vehicle is driven.

Maintenance intervals on motor vehicles have

conventionally been specified based upon

accumulated mileage. However, driving condi-

tions have a major influence on routine

maintenance requirements; distance traveled

is only one of the significant factors. A vehicle

driven for 50,000 miles of short trips in the

city with numerous cold starts, prolonged

periods of idling, stop-and-go driving, and

high engine speeds during acceleration

requires more frequent maintenance intervals

than a vehicle driven for 50,000 miles for long

distances at low engine speeds primarily at

operating temperature.

The advanced technologies at BMW have led

to the development of the unique BMW

Condition Based Service System (CBS)

which computes the actual optimum mainte-

nance requirements based not only upon the

accumulated mileage, but taking into account

important factors such as high or low engine

speeds, short or long trip driving, and condi-

tion of the engine oil and brake pads.

The BMW Maintenance System

Condition Based Service CBS

CBS is a further development of the Service

Interval Indicator System. Sensors and

sophisticated algorithms take even more

detailed account of the various conditions of

vehicle use.

The remaining times for selected mainte-

nance tasks as well as any legally prescribed

dates are displayed to you individually:

 Engine oil

 Brakes – front and rear separately

 Microfilter

 Brake fluid

 Spark plugs

 Vehicle check

 Required State Inspection(s)

CBS thus determines the current and future

maintenance requirements. This data can

also be read from the vehicle key by your

BMW Service Advisor and used to propose

the optimum scope of maintenance.

Have maintenance and repair work performed

by your BMW center. Make sure that the

maintenance work is stamped in this Service

and Warranty Information Statement. These

entries are the evidence of regular mainte-

nance of your vehicle and a requirement for

warranty claims.

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