E-codes
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Joined: Sep 2004
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teh e-codes are...
...different headlight housings.
All Audi's that come to the US have US-code headlight housings. You can purchase European-spec (E-Code) headlight housings and swap out your US-spec housings for them.
E-code housings have a brighter beam pattern and do not have the amber turn signal lense. E-code housings also include a citylight. The citylight is a small bulb that acts as a "parking light." The turn signal bulb, in e-codes, is only used as a turn signal indicator. The citylights will come on when your headlight switch is in the "parking light only" position. See this pic for an idea:
<img src="http://images.snapfish.com/33%3A9884%3B23232%7Ffp54%3Dot%3E232%3C%3D649%3D54% 3A%3DXROQDF%3E2323555%3B%3B59%3B6ot1lsi">
Look below for more housing pics. The upper pic is the US-spec headlight housing. On my A4, I had US-spec bi-xenon lights from the factory. I swapped those out for the S4 e-codes, which are the Euro-spec housings and the insides are black (A4 e-codes are not bi-xenon and the inside housing is chrome).
<img src="http://pictureposter.audiworld.com/80429/audidetailed01.jpg">
OEM A4 Bi-xenon US Spec Housings
<img src="http://pictureposter.audiworld.com/69091/dsc_0007.jpg"> A4 E-codes
<img src="http://pictureposter.audiworld.com/87607/ultra_sport_june2005.jpg"> S4 Bi-xenon E-codes
All Audi's that come to the US have US-code headlight housings. You can purchase European-spec (E-Code) headlight housings and swap out your US-spec housings for them.
E-code housings have a brighter beam pattern and do not have the amber turn signal lense. E-code housings also include a citylight. The citylight is a small bulb that acts as a "parking light." The turn signal bulb, in e-codes, is only used as a turn signal indicator. The citylights will come on when your headlight switch is in the "parking light only" position. See this pic for an idea:
<img src="http://images.snapfish.com/33%3A9884%3B23232%7Ffp54%3Dot%3E232%3C%3D649%3D54% 3A%3DXROQDF%3E2323555%3B%3B59%3B6ot1lsi">
Look below for more housing pics. The upper pic is the US-spec headlight housing. On my A4, I had US-spec bi-xenon lights from the factory. I swapped those out for the S4 e-codes, which are the Euro-spec housings and the insides are black (A4 e-codes are not bi-xenon and the inside housing is chrome).
<img src="http://pictureposter.audiworld.com/80429/audidetailed01.jpg">
OEM A4 Bi-xenon US Spec Housings
<img src="http://pictureposter.audiworld.com/69091/dsc_0007.jpg"> A4 E-codes
<img src="http://pictureposter.audiworld.com/87607/ultra_sport_june2005.jpg"> S4 Bi-xenon E-codes
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