According to one of the posters there, the "X" is a tape or adhesive that's placed there in order to make cleanup of the shards in the event the glass breaks easier. Tracks used (still? No idea) to require racers to tape up their headlights and rear lights before racing for this purpose..
Also know, why do people put an X on headlights?
Because of their fast speeds, they often taped an “x” on their headlights to prevent broken glass shards from spewing over them and their fellow riders in case it broke. And it was likely the headlight would break at some point since these groups were racing and riding at high speeds.
Also Know, can you put tape on your headlights? Cover the headlight with painter's tape or 3m protective film. Secure tape or protective film to the edges of the headlight. Tuck the edge of the tape or film securely into the gap between the headlight and the body of the car.
Also know, why do Rally cars have X on headlights?
It's used when the headlight lens is made from glass, and the tape is meant to help keep the glass under control and in the bowl in the event of a stone causing a crack that might otherwise allow the glass to fall on to the track.
Why do BMW motorcycles have different headlights?
You may think the asymmetrical headlight and fairing is just a design factor but it's not. With a single round projector on the left, the motorcycle did not throw enough light to meet the norms of a street legal motorcycle. So BMW provided a massive lamp on the right to meet the norms.
Related Question Answers
Why do track cars tape headlights?
Some say, if you have a TVR, Alfa Romeo, Lotus or whatever, it is the tape that holds it together. In fact, the tape helps to keep the glass off the track in case of an accident. Perhaps, it looks more cool than it is useful.Why do people tape their lights when racing?
In real racing people tape the headlights, tail lights, and side markers to reduce the likelihood of a rock or other debris or contact breaking them. And also so they don't leave a big mess of sharp broken glass and plastic on the track when they do crash or get hit.Why do people tape their bikes?
yes, the tape protects the bikes from scratching and makes them less attractive to thieves. also, some of these bikes are stolen bikes sold on the street to messengers and restaurants, and the tape makes them less identifiable to their owners.Do motorbikes have fog lights?
Fog lights are standard on many modern vehicles and can be fitted to the front and rear of any vehicles, including motorcycles. However, they can only be used when there's low visibility caused by fog or other hazardous weather conditions.Do Nascar cars have mirrors?
In contrast with open-wheel, sports car, and touring car governing bodies, NASCAR does not allow race cars to have wing mirrors. Drivers may still use a rear-view mirror and mirrors attached to the roll bar, but no mirror can extend outside of the car. As a result, they are left with large blind spots.Why are race car headlights yellow?
Yellow light does not reflect water as easily as blue light, so it can let drivers see the road more clearly. The first is that they're a nice homage to endurance racing, which requires cars of certain classes to have yellow headlights, differentiating them from faster cars. So, yellow lights because racecar.Do Nascar cars have lights?
All of the decals are installed, including headlight decals (NASCAR cars don't have headlights), which helps make the race car look more like a street car. Not all of the cars are built to the same specifications.Why do my headlights have black stickers?
The present generation vehicles have powerful Headlights. Sticking a black sticker in the centre won't make any much difference to the driver or to the vehicles from the opposite side. The dimming and brightening of the lights should be followed to reduce the effect of dazzling and glaring effect.Can you drive with one headlight during the day?
Daytime Headlight Use – The Obvious Reasons First off, there are a few circumstances in which daytime headlight use is not only strongly recommended, but can even be required by law. The primary reason is inclement weather – rain, sleet, snow, hail, or fog are good reasons to use your headlights.Can I drive with a broken headlight cover?
Here's why you shouldn't drive with a broken headlight. These days, it's pretty rare to see a car with a broken headlight. That said, headlights can still break, burn out, or degrade and need replacement. While you might feel capable of navigating the roads with only one functioning headlight, it's never advisable.How much does it cost to repair a broken headlight?
According to aftermarket parts retailer AutoZone, the average cost of a halogen bulb is about $15 to $20, while HID bulbs typically cost $100 or more. Addison says the average cost to replace an entire headlight assembly is $250 to $700.How much does it cost to repair a cracked headlight?
In general, a burnt-out halogen headlight is still cheap to fix. Figure less than $20 for the bulb, plus about the same amount of money for labor if you want a technician to replace the light for you.How much does it cost to repair headlight glass?
Because my headlight cover is plastic but the driving light cover is glass. You can replace the driving light assembly yourself for less than $200.00. Even less than $150.00 if its not adaptive.Can I drive with a broken headlight UK?
If you commit a minor traffic offence, for example not wearing a seatbelt or driving with a broken headlight, the police can issue you with a one-off fine called a fixed penalty notice. Fines for endorsable offences, such as speeding or using a mobile phone while driving – are £100 with three penalty points. 
