BMW 540i Repair and Maintenance
A guide to problems, costs, maintenance and repair for your BMW 540i
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BMW 540i ProblemsValve Cover, Intake Manifold, PCV Plate Oil Leaks
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.
BMW 540i QuestionsFuel gauge stay on empty. Change sending unit on drivers side tank checked voltage to sending unit. Ps new unit (1 answer)
Fuel gauge stay on empty. Change sending unit on drivers side tank checked voltage to sending unit. Ps new unit Installed
timing guides replacement
BMW 540i RecallsDriver's Front Air Bag Defective
In a crash that deploys the driver's front air bag, the inflator of the air bag can rupture, causing metal debris to strike vehicle occupants. Dealers will replace the front driver's air bag module free of charge to correct the concern.