At last I got round to installing the fan assisted led headlamp bulb conversion after drilling out one of the headlamp shroud shoulder screws, what a pain that was and all because I completely moulerd the screaw head with a Philips driver (that was back in December). I bought a set of Vesel JIS screw drivers and the other seven screws almost fell out in comparison.

The difference compared to the old "yellow" glow is quite amazing, now looking forward to trying them at night.

Here's the new verses old colour comparison before changing the main beam bulb, it really does give it a fresh modern look.
Click image for larger version. 

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Cheers for the info Jon.👍