2003 BMW 540i Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 BMW 540i
2003 BMW 540i Problems
Leaks are known to develop in the cooling system. It is common to see more than one part recommended for repair/replacement due to overlapping labor and the use of many plastic parts in the system.
The blower final stage fan resistor is known to fail. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all.
2003 BMW 540i Questions
Advised that the cost of replacing the upper timing chain cover gasket would be $1700.00. Is this a good estimate?
car down the odometer reading went from 78000 to 999999 all other function of the instrument cluster is working is thereany was to reset the milage?
Message to replace back up lights. Which lights and how do I replace?
2003 BMW 540i Reviews
The car ran beautifully for 7 years (2003-2010) ..Then everything fell apart at 85,000 miles..... radiator, water pump, power steering, hoses/belts. "Service engine soon" light - Recommendation: Sell car at 75,000 miles - and don't look back.