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Zitat

Der Motorölstand, das Motorkühlmittel, der Bremsflüssigkeitsstand und andere Flüssigkeitsstände sollten täglich, wöchentlich bzw. bei jedem Auftanken überprüft werden.

Zitat

Under normal driving conditions, the recommended oil and oil filter change interval for turbo vehicles is every 3,750 miles or four months, whichever comes first.
However, for vehicles driven in conditions beyond normal, such as racing conditions, the oil and oil filter may require more frequent changing.

Racing-Type Driving
Racing-type engine stress doesn’t only occur on the track. Racing-type driving occurs when the drivetrain, suspension, and other vehicle components are used at near peak capacity. Any driving where the engine speed is kept high – either by using lower gears at higher speeds or using engine braking – is considered racing-type driving.

Important: A “track day” or autocross event requires an oil and oil filter change immediately before and immediately after the event. Make sure to check other engine fluid levels as well.

Engine Oil Level
Check the oil dipstick periodically to make sure the oil level is within proper range in order to keep the turbocharger properly lubricated and cooled.
More frequent level checks are necessary especially when utilizing engine braking, because this increases the engine’s demand for lubrication.

Important: Allowing the engine oil level to drop by more than one quart may cause oil starvation, oil pump cavitation, and bearing damage. Over time, this cumulative damage will cause turbocharger and engine failure.