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Old 09-17-2013, 07:16 AM
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QSilver7 QSilver7 is offline
Officially Welcomed to the 'Fest
Location: Northeast Indiana
 
Join Date: Aug 2008
Posts: 5,896
Mein Auto: 1997 740iL / 2006 X5 4.4
How to UNLOCK the OBC/Instrument Cluster

Don't freak out...you probably didn't do anything. Once you turn the ignition off or press & hold the CC (check control button) for a few seconds...you cancel this feature. If you didn't have the instructions to UNLOCK the OBC...you probably didn't do anything. In the future, if you run across any of the "hidden" service mode stuff... ask the forum and wait until you get the information you need to understand what you're seeing to avoid messing up a components settings or calculations. You don't want to change stuff that you don't know how to reset...or reset stuff that you didn't know you were resetting.

Only TEST 1, 2, and #19 are UNLOCKED. And to UNLOCK the other 21 TESTs...requires adding up the LAST 5 digits of your VIN, then entering that integer in TEST 19. That will UNLOCK the OBC and allow you to access all of the other TESTs.

See the info below on how to UNLOCK the high instrument cluster (disregard that it says E38...all of the BMW high instrument clusters work the same way)...plus the info below gives brief descriptions of what the screens of each TEST reveal.

If you're reading this and you have the LOW INSTRUMENT CLUSTER (you have the graphic display and only one button on your cluster (left side)...click this link and scroll down to the instructions for unlocking the low instrument cluster: http://www.cardomain.com/ride/313409...series/page-6/

HINT: some of the TESTs may be slightly different depending on which BMW model you have or what BMW market you're in. For example...TEST 3 below says that the info for SI (service interval display) in the first screen will indicate "km" since the last SI reset...when many owners may see "L" (liters) of fuel consumed instead of "km" driven.




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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 09-17-2013 at 07:24 AM.
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