2012 BMW 640 review

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Tire tread
Summer tires Do not drive with a tire tread depth of less than 0.12 in/3 mm. There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm. Winter tires Do not driv ...

Checking the coolant level
1. Do not open the hood until the engine has cooled down. 2. Turn the expansion tank cap counterclockwise slightly to allow any accumulated pressure to escape; then continue turning to open. ...

Closing
1. Return the rear seat backrest to the upright seating position and engage it. Ensure that the lock is securely engaged When folding back the backrest, be sure that it locks in place securel ...