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Old 02-19-2004, 11:31 PM   #16
Couped up
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I suggest replacing the crappy electronics with old-school BMW mechanicals for a true fix.

'99 M Coupe - Imola/Imola
Signature Pictures by Alezone

original BMW parts

To mod or not to mod? That is the question
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Old 02-20-2004, 03:25 AM   #17
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look here

this might be it...
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Old 02-21-2004, 09:00 AM   #18
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I've fixed a good 20-25 of these... I've had people ship me their units from the U.S., from Europe and England as well.. (plus of course Canada).

Had one dude in the U.S. send me with the unit a new timing chain tensioner, and some parts for my car I needed, and he happened to have kicking around... was a good trade.

The LED 7-buttons are actually built the best and will give the least problems.

If anyone wants to drop off their unit and I'll have a go at it, let me know. If it's not improved after---no charge.

Last edited by Justin e36; 02-21-2004 at 09:05 AM.
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Old 02-21-2004, 09:08 AM   #19
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By the way, for those of you with the LCD style (11 button and up), there is a test function you can do to turn on ALL the lights on the OBC to see how bad it is. Likely you will find that the lights are out in vertical lines. Follow the instructions below and use Test: o1

If you really want your car to be european, change the language of your OBC to German. ACHTUNG! heh. i love that word.

anyway, here's how ya do it:

1. Press the 1000 and 10 keys together. You will then see "TEST NR: --"
2. Input 19 and press the Set/Reset button. You will then see "LOCK: ON"
3. Input the code derived from the addition of the current month and day. For
example, if today is 3/1/95, you would then input 4 and press the Set/Reset
key. The OBC settings are now "unlocked", although the display does not say

4. Input 8 and press the Set/Reset key. This will give you another
speedometer, but in kph.

5. To lock the OBC, repeat step 2 and 3.

OBC Code Settings (Rough Translation):
1. Display test (Lights up the whole display)
2. Current consumption (liters/100 km)
3. Current consumption (liters/hour)
4. Average consumption (liters/100 km)
5. Current range
6. N/A
7. Average fuel in tank (liters)
8. Current Speed (kph)
9. System voltage at Term. "R" (Battery Voltage)
10. Country/Language (US, Spa, Ger, Jap, etc.)
11. Units am/pm
12. Average Speed
13. ETA
14. Date of Software Mask
15. Production Diagnosis
16. ""
17. Display Vehicle Specific Data
18. Alarm Changeover (cont. vs. intermittent OBC chime)
19. Lock/Unlock
20. Correction factor for fuel consumption (DO NOT ALTER)
21. Reset all defect codes (Does NOT reset the Service Light, I've tried)

What will actually show up on the OBC:
1. [Lights up everything on the display]
2. VBR: x,x (liters/100 km)
3. VBR: x,x (liters/hr)
4. RW-VBR: x,x (liters/100 km)
5. RW: x (km)
6. N/A
7. TMTL: x,x (liters)
8. V: x (kph)
9. UB: xx,xx (V)
10. LAND: 2=USA, 3=I, 4=E, 5=J, 6=F, 7=CDN, 8=AUS/GOLF, 0=D, 1=GB
11. EINHEIT 1: B3, B4, B5, B6, B7, B8, B9, BA, BB, BC, BD, BE, BF, B0, B1
12. VANK: xx,x (kph)
13. ANK: xx:xx
14. ROM: 25.06.1991
15. DIAG: 01 01 000 E3
16. PORT: 01 101010000, 02 101010000, 03...etc
17. PROM: 00 12, 01 37, 02 18, 03 E6, 04 02, 05 B3, 06 FF, 07 7E
18. HORN: DTON or [DTON flashing]
19. LOCK: ON
20. KVBR: 1000
21. RESET?
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