To curve or not to curve...?
Thread Starter
Audi Forum - Posts like an A1
Joined: Aug 2010
Posts: 2
From: Calgary
To curve or not to curve...?
I am looking for a ballast to fit my 2007 A4 but I was told that my model has 'curved lighting'. Is there a difference in the ballasts for vehicles with curved vs. without curved? 
If so, does anyone have the PN# for both of the ballasts?
On eBay there are a lot of replacements with the Audi OEM number 8E0907391B, but they all say that the ballast is for a "without curved lighting" application.
I will also consider the Cadillac DTS option... but am I going to run into the curved vs without curved option again?
If there are any HID gurus out there that can shed some light on this I would appreciate it!!
If so, does anyone have the PN# for both of the ballasts?
On eBay there are a lot of replacements with the Audi OEM number 8E0907391B, but they all say that the ballast is for a "without curved lighting" application.
I will also consider the Cadillac DTS option... but am I going to run into the curved vs without curved option again?
If there are any HID gurus out there that can shed some light on this I would appreciate it!!
Audi Forum - Posts like an A5
Joined: Mar 2009
Posts: 390
From: Aurora, Ontario
Re: To curve or not to curve...?
I am looking for a ballast to fit my 2007 A4 but I was told that my model has 'curved lighting'. Is there a difference in the ballasts for vehicles with curved vs. without curved?
If so, does anyone have the PN# for both of the ballasts?
On eBay there are a lot of replacements with the Audi OEM number 8E0907391B, but they all say that the ballast is for a "without curved lighting" application.
I will also consider the Cadillac DTS option... but am I going to run into the curved vs without curved option again?
If there are any HID gurus out there that can shed some light on this I would appreciate it!!
If so, does anyone have the PN# for both of the ballasts?
On eBay there are a lot of replacements with the Audi OEM number 8E0907391B, but they all say that the ballast is for a "without curved lighting" application.
I will also consider the Cadillac DTS option... but am I going to run into the curved vs without curved option again?
If there are any HID gurus out there that can shed some light on this I would appreciate it!!
It is not "curved lighting" thats not the proper term, your referring to AFS adaptive lighting. Your projector lens turn as you turn the steering wheel. The ballats have nothing to do with the functionality of the AFS system.
The ballats from non AFS headlights can been used in AFS headlights and vise versa.
Get the normal OEM ballasts.
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