German Purje Blog

Halogen, xenon and LED headlamps work in completely different ways, and only xenon actually uses a ballast. Here is how to tell which system your car has, and what to check before ordering a replacement.

A practical, no-nonsense guide to what actually wears out on the BMW 5 Series F10 (2010-2016) and roughly when. Covers trim and switches, cooling and oil leaks, suspension, brakes, xenon ballasts, and how to check fitment before you order.

Your push-start button should feel crisp and start the car first time, every time. Here is how to tell when the start/stop switch itself has failed, what to rule out before you buy, and how to choose a replacement that actually fits your car.