1998 BMW 540i Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 BMW 540i

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1998 BMW 540i Problems

Engine Oil Leaks

Engine oil leaks commonly develop from both valve cover gaskets, intake manifold, and PCV plate after about 60,000 miles.

Multiple Parts May be Recommended to Correct Coolant Loss

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.

Blower 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.

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1998 BMW 540i Questions

Fuel 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

Door ajar displayed (interior lights come on, too) when all doors are closed. (1 answer)

Burglar alarm goes off when car is parked and locked (for no known reason). We've tried spraying wd40 on all latches but this has not helped. Any suggestions?

My AC is not blowing very cold. How do i go about charging the system myself ? (1 answer)

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1998 BMW 540i Recalls

Recall 98V142000
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE DIFFERENTIAL PINION SHAFT WITHIN THE DIFFERENTIAL CASE ASSEMBLY WAS PRODUCED WITHOUT THE APPROPRIATE SURFACE HARDENING. THIS CAN RESULT IN THE SHAFT EXPERIENCING PREMATURE WEAR.

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1998 BMW 540i Reviews

My 540I runs like a charm,I had problems with the Body control computer( this controls all the lights) i had to replace some of the solid state relays in it ( in the passenger side kick panel),the shaking caused by the old control arms was gone as soon as i replaced then.i only have one problem left the check break fluid warning on the dash ( working on it ).I will tell u about that as soon as ...
Good day, I have a question on the alarmsystem of a 1998 540i,ijust cant get the alarm switched off i eventuly disconected the battery,checked the key battery,gone through the system by doing a visual check, no success at all please let me know if this is a comon occurance with alarm system i only have the car for about 6 months. Please help I live in South Africa hence no zip code. Clive
Purchased it in July 2011, 74000 miles on it. the alternator, power steering pump, both serpentine belts and supply hose to the power steering pump were all bad. I opted to put on new rotors and brake pads. Changed to high speed tires (had 112 MPH on it) now has 168 MPH. Had both rear window corner screens dangling took them apart and fixed them. Lots of little things needed attention, tru...

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