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post #1 of 3 (permalink) Old 10-11-2008, 03:45 PM Thread Starter
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How can I change odometer back to Miles from Kilometers?

I own a 2000 BMW Z3 2.8 (VIN # LF42374) with 44,000 miles on it. I drove my car , which had ˝ tank of gas for 20 minutes, parked it for 25 minutes and when I started it the following occurred:

A - The fuel gauge needle falls to empty, but the low fuel light does not come on.
B – The water temperature gauge needle falls to cold and the red overheat light comes on.
C – The Brake Pad warning light comes on.

I immediately stopped at a gas station, filled the tank and checked the cooling system for leaks or signs of overheating. I found nothing wrong.

When I restarted the car, everything returned to normal, except the odometer switched from reading in miles to reading in kilometers.

Do you have a clue as to what could cause such wacky behavior and how I could get my odometer to read miles again instead of kilometers?
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post #2 of 3 (permalink) Old 10-12-2008, 05:39 AM
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You really need to get a diagnostics done, also could be the battery not pushing out enough power.


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post #3 of 3 (permalink) Old 10-12-2008, 10:05 PM
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sounds electrical -hence, start with simple things like fuses, battery posts, connections of or pertaining to components you mentioned. Clean and reconnect - you've nothing to lose.
Wacky gas guage is common. It happened to me upon fillling my tank to max. I was informed that it causes the sending unit to act eratically. When level came down, everything was back to normal. It may sound strange, but use good fuel, ocassionally add dry gas; and a 12 oz bottle of Techron to a full tank. It helps remove tarnish/deposits on sending unit stuff. Also helps clean fuel injectors and other fuel related parts.
When you disconnect battery cables @ posts (for cleaning) do negative first. Also reset neg last.
This will require your radio code to be entered (using radio buttons). My code/5 digit # was inside my owner's manual paperwork (simple). Find radio code before cleaning post to make sure you have a radio when all is done. Note, your computer will reset when you disconnect battery ground. This may help other wacky components,
This is basic advice - not technical. Good luck.
PS: Diagnostics are free at Auto Zone -takes 3 minutes once they plug in OBD. A
good BMW Z3 manual is very helpful if you want to enjoy your car (not Chiltons).
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