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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 08-24-2006, 08:41 AM
JonS2004330ci JonS2004330ci is offline
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Location: Chicago
 
Join Date: Feb 2004
Posts: 89
Mein Auto: 2004 330ci
Interior dome light flashing on/off while driving...

Hello;

I just began having the flashing dome light and rear interior lights problem in my '04 330ci. While driving along, the dome light and rear reading lights flash on & off intermittently. My BMW dealer replaced the "ZKE Module" about a week ago, and about 30 minutes after leaving the dealer, the lights started flashing again so back it went. They have had the car for the last 4 days and can't seem to figure out the problem.

The problem only seems to happen on hot days (+90 degrees), so of course my dealer can't replicate the problem now that its in the 70's here in Chicago. I shot some video of the problem, so its not that they don't believe me.

My question is: Has anyone ever had their car fixed for this problem and what was BMW's solution? Or has the flashing just stopped on its own?

Thanks!

Jon Sall
in Chicago
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  #2  
Old 08-24-2006, 04:44 PM
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Fast Bob Fast Bob is offline
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Location: Here, there, everywhere....
 
Join Date: Jun 2004
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Mein Auto: 2004 330Ci ZHP 3 pedals
Sounds like the wires on the back side of one of your door switches may be touching each other slightly,or grounding out, causing this intermittent problem.

Regards,
Bob
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  #3  
Old 06-29-2010, 08:06 PM
surfriderb surfriderb is offline
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Location: Boca Raton, FL
 
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Mein Auto: 528i Touring
I JUST experienced this problem in my 1999 528i Touring. I'm in the middle of the Mojave desert on my way to Florida and it's over 100 degrees. Were you able to figure out what was causing the problem? I'm not quite to Roswell yet so I'm ruling out the ETs... Lol. Strange though!
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  #4  
Old 06-30-2010, 09:39 AM
JonS2004330ci JonS2004330ci is offline
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Location: Chicago
 
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Mein Auto: 2004 330ci
Surfrider:

Sorry to see you having the same problem I did....it was more of an annoyance than anything--especially the couple of times it happened at night! I looked like a rolling nightclub dancefloor!....

The good news is that the dealer WAS able to get the flashing lights issue to stop.

I'm not near the paperwork, but I recall the fix had something to do with wrapping/insulating some wires up in the front headliner area that may have been shorting out somehow....

I'll dig up the BMW work order if you'd like the specifics....

Jon in Chicago
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  #5  
Old 06-30-2010, 10:08 AM
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troubled troubled is offline
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Mine was doing this and it was actually the front map light causing the issue. The connection on the light crapped out causing the issue. Try disconnecting the the plug from the map light and see if the rear lights continue to flash. Just my two cents
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  #6  
Old 06-30-2010, 12:25 PM
surfriderb surfriderb is offline
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Location: Boca Raton, FL
 
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Mein Auto: 528i Touring
Jon - Haha.. I know what you mean rolling dancefloor! It freaked me out more than anything, almost like the car was speaking to me in a visual Morris code. I pulled the dome light bulb for now so I'm not blinded at night for the remaining 1800 miles of my trip.

If it's not too big a deal to dig up the paperwork, I'd really appreciate it and it may also be helpful to others in the forum.

Troubled - Thanks for the two cents! That's gives me another place to troubleshoot... Very helpful.
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  #7  
Old 06-30-2010, 04:27 PM
defektiv defektiv is offline
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Your car is trying to rave man. Pull over and dance.
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  #8  
Old 06-30-2010, 05:12 PM
surfriderb surfriderb is offline
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Location: Boca Raton, FL
 
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Damn... I knew I should have brought my dancin' shoes! I can see it now.. Local news headline "man pulls over disco BMW to bust-a-move on Interstate 40." Thanks for the good laugh defektiv, my driving excitement has worn down a little bit at mile 1385.5 in Shamrock Texas.
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  #9  
Old 07-02-2010, 08:40 AM
JonS2004330ci JonS2004330ci is offline
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Location: Chicago
 
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Mein Auto: 2004 330ci
Dome Lights Flashing repair info

Here is the info from my "dome lights flashing" repair order back in 2006:

"Customer states that while driving Dome Lights and rear Reading Lights flash on and off intermittently. This is when temp is 90-100 degrees, has video of this happening."

"Cause: Interior lighting function in Control Unit occasional malfunction. Replacing General Module (61 35 6 963 338 Basic Module)."

"Cause: Cable, headliner incorrect connection/contact."

"45531 ZKE Module defective, internally shorting out. Interrogated fault memory, found ZKE fault 49 load consumer shutdown, output short circuit to positive. Fault present and occurred 31 times. Replaced ZKE, coded with GT1."

"Checked the wiring along the sunroof for damage. Also, did insulate the wiring along the sun roof to keep it from rubbing. Test drove."

This was all covered under warranty, so I don't know what the cost would be for this as a repair. I have not had the problem return since this was done. Vehicle is a 2004 330ci; car had 45,522 miles on it at the time.

Hope this helps and can be referenced by anyone having a similar issue.

Jon in Chicago
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