One tested original OEM made in Japan xenon headlight ballast.

Supersedes part #'s:

63117237647 - (Exchangeable retrospectively)

63117237644

Fits xenon headlights of:

2011 - 2016 BMW 528i

2012 - 2016 BMW 528i xDrive

2014 - 2016 BMW 535d

2014 - 2016 BMW 535d xDrive

2011 - 2016 BMW 535i

2010 - 2017 BMW 535i GT

2011 - 2017 BMW 535i GT xDrive

2011 - 2016 BMW 535i xDrive

2017 BMW 540i

2011 - 2016 BMW 550i

2010 - 2015 BMW 550i GT

2010 - 2016 550i BMW GT xDrive

2011 - 2016 BMW 550i xDrive

2013 - 2016 BMW M5

and others

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