Visual Checks

WARNING: This page does not describe the selected car, but rather 41 other vehicles, including the 2003 BMW M5, 2003 BMW M3, 2003 BMW 540i, 2003 BMW 530i, and 2003 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Coolant level, coolant hoses in perfect condition and all drive belts tensioned properly.
A/C condenser, radiator, and system microfilters clean and unobstructed.
Auxiliary cooling fan operates with A/C on and rotates in the correct direction.
Interior flow-through ventilation functions correctly, vent flap valves behind rear bumper open with interior overpressure.