Available in an H1, H11, H3, H4, H7, HB3, and HB4 fitting, Philips Diamond Vision car bulbs can be used in a variety of places on your vehicle, including the headlights. Please use our Bulb Finder or check your vehicle handbook to find out which fitting your car needs - different vehicles use different fittings. About Philips 600% brighter than halogen headlight bulbs. 100W super bright series with 80MIL large automotive grade customized chips, 20000 lumens per pair, 6500K cool white light. No dark spots. Correct angle and direction prevent other drivers from being blinded. High-output bulbs are the best choice for people who live in rural areas. Osram Super Bright Off Road Bulb Halogen Lamp H7http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5575563443&toolid=10001&campid=5338643528&customi A variety of headlight bulbs are on the market, some that are required by a specific vehicle or motorcycle model and some that give drivers the option of customising their head lamps. H4 and H7 bulbs are high-intensity discharge halogen bulbs, meaning they emit extremely bright light. 00:0000:00. Car Bulb Designations. The bulbs on your vehicle will be designated with a name or number. For example, your headlight bulbs might be H7 or H4 and your indicators might be 382 or 581. The suitability of a bulb will often be decided by the team that designed your vehicle. They might choose that your vehicle uses H7 dipped beam bulbs and H15 main This ad implies that H7U bulbs have no UV filter, which is bad for the eyes and some plastics. The LED versions are H7 only, but would put out a small amount of UV light by design. After scanning many internet pages, the H7 (including LED versions) seem to dominate the ads. It would seem the H7U is being phased out due to high UV emissions. With NIGHT BREAKER H7-LED, OSRAM's first street legal 1) LED replacement lamp is now on the market. The plug-and-play solution offers drivers significant advantages: very high cool white color temperature of 6,000 Kelvin with up to 220% more brightness compared to the minimum requirements of ECE R112, up to 5 times longer lifespan compared to halogen lamps and an additional 50% less glare. An H7 bulb – along with other halogen bulbs such as H1, H3, H4 etc – indicates the type of fitting. H7 bulbs tend to be used for dipped – or low – beam, while H1 bulbs can be high or dipped beam, depending on output. Other H-rated bulbs can be used for fog lights and indicators – your Haynes Manual will tell you which bulbs your car 5/94 Euro 325i coupe. Originally Posted by surferpacifc. IIRC H1 is headlight and H7 is fog. ZKW uses H1 standard (or at least that's what most people I know have on theirs). E36 fogs use H1 as well. The H7 are more likely to be used in free-form and reflector headlights and H1 in projectors (at least in the E36 world). Sc1ja.

difference between h1 and h7 bulbs