Struggling to find information online. The dipped headlights for my Astra GTC are terrible(hard to see 3meters infront of the car when driving on dark roads), the full beam is pretty bad too but I'm lead to believe these lights are from the same bulb in this model. Has anybody replaced these bulbs with LED ones and if so could you recommend which bulb you used or even reliable manufacturer, seeing so many different types and a wide range of prices, would like to get good ones without having to