There is a baffling array of different aftermarket bulbs to choose from today, with prices ranging from a few quid to more than £35. So here we consider whether it’s best to go for the latest, ...
Our test of 10 H4 halogen bulbs reveals that the high-beam reach of the worst bulb is 60 metres shorter than the best bulb tested. Worryingly, half of the bulbs didn’t meet the minimum required ...