The battery on your R1100GS and R1150GS needs special attention. To charge your GEL battery comfortably you will need the battery charger Optimate 4 ✅ . You can either use the Optimate 4 with plug and cabel clamps or you use it with eye cable for the lineal connection to the battery. The fully automatic battery charger Optimate 4 is to contorl, charge and test as well as to reanimate discharged batteries. To swich your motorcycle easily we recommend our garage trolley. It is capable for all bikes with main stand up to 45cm width, its load capacity is 320kg to 400kg. If you want to work comfortably on your bike it is your advantage to get a lifting platform. They are available for either 360 kg, or 450 kg lifting capacity. Should you need more connections for additional equipment you can use our extra power socket or cigarette lighter socket kit. Our adapter cable connects extra power socket with cigarette lightner socket. Our plug is suitable for original BMW or identical standard charge sockets. Ideal to install additional equipment like navigation system. For safety and clear view we run the antifog foil by Held. The plastic material breaks the breath's surface tension so that the dampness can evaporate. We also run first aid kit, signal vest, bulb box and LED pocket lamps. With our tyre pressure control you can check the pressure at a glance. With our 90 degree Valve Stem Adapter you get easy access to the valves. In case of a flat tyre take our tyre fix with which tyre change isn't necessary. For all tyre types, with and without tyre-tube. It closes holes in your tyre and inflates it, which allwos you to ride to the next petrol station or repair shop. A little piece of safety is the quick connect for the fuel withdrawl line. This quick connector avoids leaking on both directions. If you want to protect your R1100GS's paint, use our paint protection. The foils are availabel in several sets, easy to stick on and also easy to remove without any residue. For applying we recommend our scraper with felt. Our BikeCam2 is a waterproof camera for professional video recording on tour. Helmet or handlebar mounted. To get a high-gloss effect on your machine we have several products, like Foam Cleaner, Insect Remover, Procycle Gel-Special-Cleaner for motorcycles and the Aluminium, Stainless steel and chrome polish. A little piece but much more security. The blind angle mirror allowes you to see into the blind angel. 32mm diameter, can be glued on every mirror. Added security to your motorcycle with our Disc Lock. This high class Disc Lock in either black or flashy signal colour should be packed for every tour. All season equipment are our heated grips. Our multi box is a oil tank or storage box. A clever alternative for a speed control is our Throttle Rocker. It is a small accessory that allowes a dynamic and sponataneous speed adaption. A unique key fob is the piston, made of aluminum, gold anodized, diameter 15mm. Another trendy key fob with BMW letters made of pierced foam avoides scratches. Another optical hightlight are our screws like the round head screw with hexagon socket. The chrome cap I for the gear oil filler screw, the chrome cap II the chrome cap III for the light adjustment and the chrome cap IV for the screw of the speedometer adjustment upgrade your BMWs look discreetly.