Do these go off with age? Don’t know how old mine are but they seem to be very yellow like a normal bulb with a bit of white around the edge.

Been looking at replacements and handbook says they should be 55watt D2S but all the options I’ve seen are listening then as 35watt. Steve

2005 2.7 TDV6 HSE, ongoing project.
1998 Volvo V70 R auto FWD, mothballed future project.
1999 BMW Z3 (owned from new) garage queen.

yes they do wear..

most xenon bulbs are 35w and i suggest getting some 6000k temperature ones for a more whiter light..