Xenons4U Automotive Blogs

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  1. Which Colour To Choose for D3s Hid Bulbs

    When selecting which colour to choose for d3s hid bulbs, it is not as simple as choosing your favorite colour. You must consider what kind of light you want your vehicle to omit and what bulb lifetime you require. Often people make the mistake of thinking the higher the Kelvin, the brighter the light will be, this is not the...
  2. Mercedes-Benz Auxiliary Battery Malfunction Explained

    Mercedes-Benz models are well-known for their impressive technology list, and many of their modern cars have two batteries – the main battery and an auxiliary battery. If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard. The warning will be generic, but should feature a small battery symbol. Usually when voltage converter...
  3. BMW Headlight Vertical Aim Control Failure

    In a BMW the TMS Headlight Driver Module is often responsible for vertical aim control (light leveling), DRL (daytime running lights), indicator lights, AHL Curve Lighting (adaptive lights) and LED angel eyes, as such it is incredibly important the module is working correctly and as efficiently as possible. In other words TMS headlight driver module is like headlamp's brains.  Some...
  4. The Differences between MTEC 582 W21W And W21/5W 580 Super White Bulbs

    Looking to replace the super white MTEC bulbs in your car? Read on to discover the similarities and differences between the MTEC W21/5W (580) and the MTEC 582 (W21W). MTEC W21/5W (580) Super White Xenon Effect Bulb With a colour temperature of 7000k, the MTEC W21/5W (580) Super White Xenon Effect Bulb is made from natural glass. Filled with inert...
  5. BMW F10, F11, F07 GT LEAR: 7258278, 7267045, 7304906 TMS Headlight Ballast Module Issues

    The TMS headlight driver module is a key part found in 5 series BMWs. Factory fitted in F11, F10 and F07 GT Pre-Facelift models with halogen headlamps, it plays a pivotal role in the proper function of the car's headlights. Available to buy as a module replacement for either the left or right hand side, they can be prone to...
  6. Audi Q5 8R Daytime Running Lights Problems

    Car manufacturers design their cars with as many features as possible to entice customers into having the latest and greatest in motoring. The technology that we are able to put into cars has advanced massively over the last decade, therefore we are seeing cars with far more features, which unfortunately means more potential problems. One of these features that are...
  7. How to change the Angel Eyes H8 bulbs on the BMW E90 and E91

    Changing your Angel Eyes H8 bulbs on your BMW E90N or E91N LCI Facelift can seem incredibly tricky. But fear not! The halo rings that sit at the front of this elegant car look sophisticated, but actually contain simple halogen bulbs. With this easy step-by-step guide, you will have no trouble replacing the LED angel eyes, and your BMW e90...
  8. A comparison of Philips D5S and Osram D8S 25W Xenon HID Bulbs

    Cars need more bulbs than most people might imagine. Headlights and rear lights are the most obvious contenders, but there are more. When it comes to headlights, there are a number of options. However, two of the best headlight bulbs are the Philips D5s PK32d-7 and the Osram D8S Xenarc Electronic 66548. Both are Xenon HID 25 watt bulbs, but...
  9. Features and colours of HID D4S Xenon Bulbs

    Looking for a new or customised bulb for your headlamps? This post must be informative for you. Upgrading your headlamps Headlights on a car are often seen as purely functional items. They show you where to go and they usually last for a long time. Therefore, changing your headlights is a rare job, but when given the chance, you should...
  10. What Are The Failure Symptoms Of NOx Sensor In BMW N43 N53 Cars ?

    What exactly is a NOx sensor and what does it do? With the introduction of N43 and N53 series engines in 2007, BMW began to incorporate more sophisticated technology into the marque’s basic specification models. One of these new developments for these motors was a new engine management computer – called a DME in BMW terminology – as well as...

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