Saw a short piece in a well known (and trusted) Classic Car magazine selling the praises of "Philips ultinon pro9000" as a replacement for, in my case, H4, halogen bulbs. Based on this, and perhaps without researching it enough, onto a well know selling web site and purchased pair of said bulbs. Looking at the back of the box I see that they marked (not very prominently) for track/rally use only and not legal in the UK. So back they have gone.
Bit more research shows that these are legal in some EU countries but not yet in the UK so its perhaps just waiting for getting the approval. And they would be an MoT failure.
I had seen the threads on here about that but assumed, wrongly, that these were OK as they were shown in the well trusted magazine without any such warnings.
So, point of this ramble?....what do people recommend to use to uprate the standard H4s in my beloved 2015 Plus 4 headlights.
Any advice appreciated...
