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E39 Halogen Low Beam Adapter Socket Size?

6314 Views 2 Replies 2 Participants Last post by  mutyo051026
I know the halogen low beam bulb is H7, but does anyone know what the socket size of the other end of the adapter is?

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IIRC the low beam connection is a 9006 connection.


Fyi if you are looking for a replacement low beam socket adapter I think the part # is 63126904051 (the high beam should be 63126904050).

Also iirc the high beam is a 9005 plug vs the low beam 9006 plug. The two are slightly different because of the tabs inside the plug (see pic). Note the pic is of a 9005 and 9006 bulb NOT e39 specific bulb holders (which will be slightly different), but the detail about the tabs is what I am trying to illustrate.

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Great info! Thanks!!
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