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6 Series DIY
6 Series Do It Yourself (DIY) forum.

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Old 10-06-2012, 02:01 PM
Scott Chester Scott Chester is offline
Registered User
Location: Greenville, SC
Join Date: Apr 2011
Posts: 7
Mein Auto: 2005 645Ci Convertible

I had water infiltrate my right headlamp area (645Ci). Light went out and of course headlamp error on. Diagnosis confirms:
Bulb OK
Igniter OK
High beam OK
Halo OK
Given that, I'm told it's 90% sure the ballast is bad which is less that a $100 part. As I understand though, I have to drop the bumper to get to the ballast and replace this? I have some other reasons for wanting to drop the bumper also so I think I'll do it. Anyone have experience with this? Any suggestions on where I can get instructions?

Last edited by Scott Chester; 10-06-2012 at 02:19 PM.

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