360 Degrees Xenon White 9-SMD H21W LED Replacement Bulbs For 2016-up BMW F30 3 Series Backup Reverse Lights

Q: Are these BMW F30 Reverse LED street legal?

A: Yes, these xenon white LED backup lights for the BMW F30 3 Series are perfectly street legal!

Q: What does LCI stand for?

A: LCI is short for life cycle impulse, a BMW term that applies to any vehicle and is another way of describing an automotive facelift. An automotive facelift means changes made to a car, truck, or bus's styling during its production run. This can include anything between interior design elements to mechanical changes. Using these LED side marker lamps retain the basic styling of your Mercedes while upgrading its functionality.

Q: How come the LED bulb flickers/strobes a couple times when I just start the engine?

A: This symptom is completely normal when installing any LED bulb for an European cars such as Audi, BMW, Mercedes-Benz, Porsche, Volkswagen, etc. This temporary flickering is caused by European cars' on board computer sending a routine check electrical impulse when first start the engine to all the bulbs and lamps to make sure they are not burnt out. Since LED bulbs are super sensitive to power, it will cause the LED bulb to respond and light up.

Q: Which bulb does this LED bulb replace?

A: The xenon white LED backup reverse light replaces the smaller H21W brake light bulb circled in red in the picture below. It does not replace the larger 7507 turn signal bulb on the left.