It looks like your vehicle requires H4 Bulbs for dipped beam and H4 Bulbs for your main beam application.
We stock BMW K 1100 LT (100) car bulbs for all applications ranging from headlight bulbs going all the way down to interior dashboard bulbs.
We stock HID conversion kits for your BMW that are simple, straight-forward to install and can give you up to 400% more light.
Our wiper blades for the BMW K 1100 LT (100) are listed in the wiper blade finder tab and according to our data, are suitable for a 1991 BMW .
Your BMW K 1100 LT (100) needs some tender love and care from time.
ABD.co.uk also specialise in supplying only the best quality car cleaning products and equipment. We have products designed to improve and renovate headlights, rain repellent sprays for your windscreen and much, much more. Your BMW will look as good as new.