This is One pair (2X) BMW / Mercedes / Audi / Cadillac =  Hella E55 Bi-Xenon HID D1S Bulb Holder / Retainer clip. Will fit the latest model Hella Bi-Xenon D1S projectors.

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Fitment:

2006-2009 BMW 5 series E60 E61

                     2005-2009 BMW 7 series E65 E66                     
 2007-2009 Mercedes-Benz CLK, M, G, E Class, Sprinter

2007-2009 Cadillac Escalade

2007-2009 Range Rover

2008-2009 Jaguar FX