Should you upgrade your headlight bulbs?
Are aftermarket headlight bulbs worth the money? What does UK law say about fitting HID and LED bulbs to cars with H4 and H7 bulbs? Resident Haynes expert Martynn Randall explains.
bulbs Tips and Tutorials Archive
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Dipped headlights and main beam bulbs explained
Wondering what main beam or dipped headlights bulbs your car has? Here's how to find out if it's halogen, xenon or LED, and how easy (usually!) the bulbs are to change...
H4, H7 and other car bulbs explained
Car lights have three vital safety purposes – to allow you to be seen, to allow you to see, and to give other road users a signal of your intentions.
How to change your car’s headlight bulbs
Rob Keenan runs a BMW 2 Series.
Find him on Twitter @zorba_t_greek
Damn! A headlamp bulb’s blown. Don’t worry, Haynes has a video tutorial that talks you through replacing it yourself.
Xenon HID vs Halogen bulbs: what's the real difference
What bulbs for my car? Xenon bulbs (also called HID bulbs) are not the same as a Halogen bulb. The HID light bulb is filled with Xenon gas.
How to make your car’s headlamps last longer
About 500 to 1,000 hours of regular use is what a Halogen bulb supposed to last. However, Halogen bulbs will start to deteriorate over time and may burn out last before the threshold of 1,000 hours is reached.
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