Google replacing the bulb in the housing rather than the whole part. Requires a small mod to the housing but it’s simple. Lots of videos on it around...

Bulb is a 12v 10w halogen, BA9S base, from memory... I use Flosser bulbs - they last well.

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Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)