1994 BMW 525i Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1994 BMW 525i
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1994 BMW 525i ProblemsBlower Final Stage Fan Resistor May Fail
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.
Valve cover gasket leaks are common after 60,000 miles. Symptoms will include oil drips under the vehicle and burning oil smell from the engine compartment.
An engine coolant leak may develop from the expansion tank resulting in engine overheating. When a cooling system component fails the entire cooling system should be inspected. It is not uncommon to find additional component have failed or are leaking.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
1994 BMW 525i QuestionsWhy are the headlights and hazard lights flashing and how to reset? (1 answer)
Tried turning on and off the car - no help. Any other way to reset flashing problem?
Its a 1994 BMW 525I
Check engine light comes on and goes off.