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#1 (permalink) Old 03-01-2004, 08:10 PM
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New guy, Quick question.

I bought a 98 Z3 2.8 ltr. On the service indicator light display, if both Oil Service and Inspection are lit up, am I due for both? My car should only be due for an oil service, between 90,000 and 95,000. The real question here i think is, are both supposed to always come on together?

Brandon
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#2 (permalink) Old 03-06-2004, 01:27 AM
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Oil service is a combination of miles and temperature.

Maintenace inspections are all mileage.

Both can be due at the same time or not.

Older models had batteries to keep the mileage information, I do not believe yours has batteries.

SI reset and batteries

With the ignition switch at (position two) and the engine not running, grounding pin seven #7 of the diagnostic connector to pin one #1 for approximately three (3) seconds will reset the oil service lights. Grounding pin seven #7 to pin one #1 for approximately twelve (12) seconds will do an inspection service reset.

More information.

http://www.specialistcarsbmw.co.uk/stevena...vice_lights.htm


http://www.unofficialbmw.com/images/reset1.gif


1. Ground
4. Temperature sensor
7. Reset
8. TDC sensor yellow
9. TDC sensor shield
10.TDC sensor black
11.Start signal
12.Alternator charging excitation voltage
13.Ignition coil
14.Alternator charging supply current
15.Oxygen Heater

It will signal an oil change need between 5k and 7k depending on your indicated speed since the last reset. It will signal stealer inspections at all the predesignated miles.



http://www.eskimo.com/~dalus/bmw/e36/elect...ice_lights.html




SI Board Swap Out

Last but not least - the SI Board. Above is a new SI Board with lithium batteries and below is the old one. Note the blown battery on the old SI Board (green circle). The light blue rectangle shows the actual service indicator LED's which appear on your dash display. These LED's are mounted on a separate circuit board which must be pulled out of the old SI Board and plugged into the new one. This is an easy task. The purple arrow shows the orientation of the SI Board relative to the driver.


If it fails to reset then you need batteries.

Varta battery 500RST OE part.

Radio Shack: part number 23-191: $6.49 for set of two; they come w/solder tabs on them.

1.2 volts / 700mAh

Charge fully B4 installation on SI board.

Consider mounting batteries "remotely" under dash, etc. in separate holder for easy removal in future (i.e. not pulling the console out and apart); you can buy a plastic holder at RS. Run leadwires from holder to SI board connections. Makes life easy if you ever need to replace batteries again.

From Radio Shack, get:
1) You'll need a twin AA battery holder ($3)
2) 2 AA NiCAD rechargeable batteries ($6)

Later,
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#3 (permalink) Old 03-09-2004, 12:07 AM
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Skipping services, or not resetting the lights, can cause an overlap.
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#4 (permalink) Old 03-09-2004, 01:11 PM
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No my bad, I had no intention of skipping intervals. I took the car to my dealer and had the inspection II taken care of. What I was asking was, do both lights always come on at the same time even if only an oil service needs to be done? Granted my car was due for an inspection II, which was done, I was just asking about the way the lights work. Because I bought my own reset device, from Bav. Autosport, with the intention of doing my own oil sevices. I always do them on my other cars and I'll be damned if I'm gonna have to pay somebody over $100 to do it for me when I'm perfectly capable of doing it on my own, its just the light I was worried about. I do know however, if changing my oil between every filter change not to reset the indicater. I read that here I believe. I'll let the dealer worry about the Inspections I and II, I'll handle oil services.

Thanks for the replies though. Appreciate it.
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