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BMW 3-Series (E90 E92) Forum
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Intermittent directional fail
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08-05-2016, 02:34 PM | #1 |
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Intermittent directional fail
2009 LCI E90 blinker blinks when it wants to. When it doesn't, it looks identical to a bad bulb in the left rear. I changed out all the bulbs in the rear and cleaned the contacts on the tail light assembly. Smeared a little dielectric grease on there.Wondering if it could be a sticky relay or maybe even the switch on the stalk.
Looking for anything else to try.. Thanks |
08-05-2016, 02:43 PM | #2 |
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Not quite following you... so when it doesn't work, it looks like a bad left rear bulb... so all you are saying that when the blinker doesn't work, the bulb doesn't come on? What about the front bulb?
Try left, right, and hazard functions. Look at all the bulbs around the car. Report back. |
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08-05-2016, 06:50 PM | #3 |
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We have bmws... no use for signals.
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08-05-2016, 10:11 PM | #5 |
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The turn signals on E90 LCI tail lights are known to go bad. Only way to fix is to replace the whole tail lights. There's an official "repair kit" that includes two new outer tail lights if you search for it.
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08-09-2016, 08:54 AM | #6 | |
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Thanks |
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08-09-2016, 08:56 AM | #7 | |
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08-09-2016, 08:57 AM | #8 |
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Was also thinking to try LED, like these.
https://www.superbrightleds.com/more...fit/2622/5695/ Anyone know if the 09 LCI requires the canbus light? |
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08-09-2016, 09:15 PM | #9 | |
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Needbmwpartzz851.00 |
08-09-2016, 09:20 PM | #10 | ||
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08-10-2016, 01:38 AM | #11 |
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I had the same problem, it would blink normal for like 2 seconds then switch to blinking fast, I ordered a replacement taillight from rockauto and that fixed it.
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08-10-2016, 06:43 AM | #12 | |
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Also, I think there may be different part numbers for the light assembly and the repair kit. It's the same thing, but the repair kit is cheaper. I could be wrong, but I seem to remember something like that. |
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08-10-2016, 08:50 AM | #13 | |
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The directionals are incandescent bulbs, my earlier post linking to the led's showed led's you can put in the regular socket. Last edited by damman98; 08-10-2016 at 09:39 AM.. |
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08-10-2016, 08:59 AM | #14 | |
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However, after trying what you suggested, regarding the hazard lights, all is not how I described. I turned on the hazards while the problem was happening and the left rear, the troublesome one, was flashing dimly, and every few seconds, flickering brightly . So, I turned the hazards off and got out to see what now, I noticed the left rear directional is actually flashing but dim when the fast flashing is happening. The front and side are normal brightness and fast. |
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08-10-2016, 09:46 AM | #15 |
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08-13-2016, 12:49 AM | #16 |
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Mods: BC BR coilovers | Blacklines | M-tech rear | dual exhaust | M3 steering wheel | BMW SSK | ZHP shift knob | High-kick CF spoiler | NBT Retrofit M3 front control arms | M3 rear guide rods | Manzo rear toe and camber links | Monroe rear shock mounts | Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear |
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