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X5 E53 (1999 - 2006)
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  #1  
Old 10-24-2016, 04:22 PM
JNMNL52 JNMNL52 is offline
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Instrument CLuster Computer Display Inop

I noticed this weekend that computer display at the bottom of my instrument cluster which displays time, date, mpg, range, etc has gone dim on the right half. The lights which illuminate the digital info are extinguishing from right to left about half way. For instance now when I select "Time" the actual time cannot be displayed. I can only see the word "Time." Has anyone experienced this before? Is it a faulty light bulb? How replace behind the instrument cluster?
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  #2  
Old 10-26-2016, 10:16 AM
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QSilver7 QSilver7 is offline
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Do a search for "BMW missing pixels on cluster". This is a common issue on BMW instrument clusters since the 1995 e38 7 series...and affects that whole generation of "high" instrument clusters for the 5/7/X5 (e39/e38/e53)...and possible some e46 3 series models.

If you do the instrument cluster TEST 2...you should be able to tell if the pixels are out because the pattern displayed should be the same for all 20 possible digits. If some of the pixels on the far right do illuminate...but the pattern is not the same as the ones on the left side...then you have missing pixels.

In the pic below...is a screen shot of OBC TEST 2...you can in the 1st pic that all of the pixels for the odometer/trip odometer/20 digit alpha/numeric display all have the same pixel design...but in the 2nd pic the pixels are not exactly the same for each of the available 20 digits in the 20 digit alpha/numeric display or odometer & trip odometer...this means there are dead pixels in this cluster. The odometer & trip odometer also has dead pixels:




Image below is just a random internet pic of one of the many vendors that offer pixel repair:

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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; 10-27-2016 at 09:04 AM.
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  #3  
Old 10-26-2016, 11:10 AM
JNMNL52 JNMNL52 is offline
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Thank you QSilver7; very helpful. How do I perform OBC test#2?
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  #4  
Old 10-26-2016, 01:14 PM
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QSilver7 QSilver7 is offline
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Quote:
Originally Posted by JNMNL52 View Post
Thank you QSilver7; very helpful. How do I perform OBC test#2?
  1. get in & shut driver's door
  2. insert key and turn to ignition position 1 {KL R} (you can use ignition position 2 {KL 15} but you will need to FASTEN YOUR SEATBELT...and you will also see a few more lights illuminated during the TEST)
  3. press & hold the right instrument cluster button until CHECK CONTROL OK disappears and TEST 1 appears in display
  4. now, briefly press the RIGHT cluster button again until TEST 2 appears in the display
  5. now, briefly press the LEFT cluster button (the trip odometer reset button) & this will initiate the cluster's light test

HOW TO UNLOCK THE HIGH INSTRUMENT CLUSTER on the E38/E39/E53:





__________________
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; 10-26-2016 at 01:18 PM.
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  #5  
Old 10-27-2016, 04:38 AM
JNMNL52 JNMNL52 is offline
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Location: Woodbridge, Virginia
 
Join Date: Aug 2012
Posts: 170
Mein Auto: 2006 X-5 / 2014 X-5
Thanks QSilver7. I noticed last night that I can faintly see the pixels illuminated on the right side of the bottom display. I suspect a burnt out peanut bulb or two.
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