After fitting: check your beam pattern
A good LED only gets the best out of your headlight if it sits right in the headlight. Before fitting, park the car on level ground facing a wall or garage door, switch on the low beam and mark the cut-off line with a pencil or marker. After fitting, check that the cut-off sits at the same height and is just as sharp. If the line is fuzzy or you see a lot of stray light above it, rotate the LED in its base until the beam pattern is right.
After fitting, have the beam aligned and check that your car still meets the requirements of the APK (the Dutch roadworthiness test). If in doubt, ask the RDW or your inspector. Note: according to the product data, LED bulbs with an H fitting designation cannot receive ECE or E-mark approval and are intended for the track and private land. You'll find all our LED kits under LED low beam and high beam.