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      10-05-2017, 03:21 PM   #1
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1 LED headlight is dead

As per the title, one of the outer dipped beam headlight LEDs has failed on my 2012 640d. Had it into the garage who swapped ballasts and such around between the headlights and it was still off, so confirmed it's the LED.

As I don't have a warranty, I'm looking at 'as new' replacements via eBay, or info if it's possible to replace the LEDs without swapping the whole lighting unit (1700+VAT)

Headlights are the pre-LCI, adaptive full LED, and its the outer dipped beam LED unit that's failed.

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      10-05-2017, 04:30 PM   #2
darms
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what a bummer...... my warranty's up this month. I'll be renewing for sure after reading this. Hope you get it sorted and it doesn't break the bank.
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      10-05-2017, 08:42 PM   #3
Margas
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May sound silly but have you checked the fuses yet? I wasted hours diagnosing a dead low beam on my e36 and it ended up being a blown fuse. It really should have been the first thing I checked but didn't consider that each side has its own fuse.
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      10-06-2017, 02:46 AM   #4
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Sadly the simple answer is no.

You can begin to take it apart, but the bill from BMW is simply to replace the headlight. You can change the control modules and every other LED module bar the main ones....
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      10-06-2017, 08:22 AM   #5
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I haven't checked the fuse, but would hope the garage did. I'll check that tonight.

When it died, it wasn't sudden. It went off, but when switching the lights off and on again, came back on for a short amount of time. It's been off ever since with the warning on the dash and HUD.

Would a light from a LHD market fit a RHD car, i.e. beam directions set by the control units etc.? Germany is likely to have more lights than the UK, but want to be sure they would fit and work once fitted.

I was going to see if BMW would make a contribution, but doubt it as it's not main dealer serviced.

Hate the look of 3 of 4 dipped beams on! Getting towards darker mornings / nights too, so no avoiding it.
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      10-06-2017, 08:24 AM   #6
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Quote:
Originally Posted by darms View Post
what a bummer...... my warranty's up this month. I'll be renewing for sure after reading this. Hope you get it sorted and it doesn't break the bank.
I let my warranty end as it was 800ish for the year, plus the excess on a claim, so was betting on not needing to make a circa 1000 claim. I guess that saved money from warranty goes towards this one way or another.
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