I purchased a set of 4 door sill plates for my 2018 BMW 5 series. fitted the front ones and they worked perfectly. Unfortunately, the rear door sill plates were too small. I contacted the supplier who asked for a picture of the actual car door sill. The picture showed that the sill curved up towards the rear wheel arch. The supplier said that the acrylic door sills could not be bent. Me being me told the supplier not to worry that I would bend them. I gave them the measurements and at no extra charge they sent replacements. I heated them up with a heat gun and bent them to match the car. I then held them in with the curve and allowed them to cool. fitted them and they look amazing, especially at night. Their after-sales are amazing and I would use them again