Replacing the Catalytic Converter Many BMW R1100S owners replace the original catalytic converter with a Y-pipe, often referred to as a cat delete. The modification removes the large collector box beneath the motorcycle and replaces…
If there’s one upgrade every BMW R1100S owner should consider, it’s better lighting. Not because the original headlights are unusable, but because modern LEDs make the bike dramatically more visible in traffic. For me, this…
The BMW R1100S torque arm (also called the Paralever torque arm or reaction arm) is one of the simplest modifications you can make to change how the motorcycle handles. By changing the length of the…
The BMW R1100S does not need more power to be enjoyable. But it does respond well to better fuelling and ignition calibration. For many owners, the John Gemi performance chip is one of the most…
The BMW R1100S has many strengths. Rear-light conspicuity is not really one of them. The original tail light is compact and period-correct, but it is not especially convincing in bright daytime traffic. The brake light…
LED indicators are an easy visual upgrade on the BMW R1100S. They are brighter, react faster and draw very little current. The problem is that the original BMW flasher module was designed around incandescent indicator…
