Will 6000k D2s bulbs work with standard ballasts?

You only need replacemnt bulbs. The bulbs are a straight swop and do make a considerable improvement. The E bay copys are hit and miss. I had to buy 2 sets to get one working set, but they are cheap enough.

With regards to fitting. The right hand side is easy to fit with the battery removed to improve access.
The left hand side is fiddly as theres not much access, but persevere and you'll get there. Be sure to fit the bulbs in the same orientation as the ones fitted as there are 3 raised locating spigots on the plastic bulb housing that the bulb facia sits against. If these aren't ligned up you won't be able to fully locate the plastic locking ring.
 
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