Trip computer
There are two types of computer.
- "Onboard info": the values can be reset as often as necessary.
- "Trip computer": the values provide an overview of the current trip.
Resetting the trip computer
1. "Vehicle Info"
2. "Trip computer"
3. "Reset": all values are reset. "Automatically reset": all values are reset approx. 4 hours after the vehicle comes to a standstill.

See also:
Service and warranty
We recommend that you read this publication thoroughly.
Your BMW is covered by the following warranties:
> New Vehicle Limited Warranty
> Rust Perforation Limited Warranty
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The 640i is powered by a 315-horsepower, turbocharged 3.0-liter six-cylinder
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