I own a BMW 840ci for about 4 months now and am very happy with the car. It is quite powerful and has loads of torque with makes driving fun and pleasurable.

I have some question about maintainance.
- How often should I change the engine oil?
- Thinking of changing to K&N filter but not sure if it will work well in dusty conditions. Any ideas?
- How about turbo timers?


Vagunci

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How often should I change the engine oil?

Change the oil every 5,000 miles.

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Thinking of changing to K&N filter but not sure if it will work well in dusty conditions. Any ideas?

I think, a K&N filter will work fine.

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How about turbo timers?

turbo timers are great to have and will give more life to the turbo's


cheers

I have just read your message as I have just joined this Forum as a BMW 840Ci Sport owner. Has your car got Turbos?