BMW 323i Sedan Technical Information PDF herunterladen (Seite 5)

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 inconvenience by computing mainte-

nance intervals based upon the specific manner

in which each individual vehicle is driven.

Maintenance intervals on motor vehicles have con-

ventionally been specified based upon accumu-

lated mileage. However, the type of driving condi-

tions has 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 re-

quires more frequent maintenance intervals than

a vehicle driven for 50,000 miles for long distances

at low engine speeds primarily at operating tem-

perature.

The advanced technologies at BMW have led to

the development of the unique BMW service in-

terval indicator which computes the actual opti-

mum maintenance requirements based not only

upon the accumulated mileage, but taking into

account important factors such as engine cool-

ant temperatures, high or low engine speeds, short

or long trip driving, and number of vehicle starts.

The maintenance interval may therefore be maxi-

mized with considerable savings to owners of

vehicles subjected to light duty.

The

service interval indicator

consists

of a

mileage reading, and the inscriptions “OIL SER-

VICE” and “INSPECTION”.

Whenever the ignition is switched on, the display

shows the next scheduled type of service and

the remaining distance until the service should

be performed. The distance is based on your driv-

ing style.

If the maintenance interval has been exceeded,

a “—” symbol reminds you of the urgent need for

servicing. In the interests of road safety and reli-

ability, you should avoid driving your BMW

when the “—” symbol is showing,

and have

the essential maintenance work performed with-

out delay.

After each maintenance is performed the Service

Indicator is reset in order to compute the next

service interval.

If the service interval indicator displays an illogical

reading, or if there is no display, consult a BMW

center.

If the speedometer, tachometer or coolant tem-

perature gauge should develop a fault, the service

interval indicator will probably cease to operate cor-

rectly as well, since it depends on correct speed,

distance and temperature readings. The fault must

be located and rectified by a BMW center.

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