R100GS Euro Headlight Switch Upgrade

Is it just me, or is there something un-American about not being able to turn off the headlight on your motorcycle? Especially on a dual-sport bike that spends a significant amount of time donking along at low speeds off road where the factory alternator can’t keep pace with ignition system and headlight drain. Ironically, there is a solution to this problem in the form of a factory BMW part used on bikes destined for delivery every place but America.

As shown in the photo at left, the BMW part number is 61 31 2 305 232, and the cost is somewhere around $75. That’s a ridiculous price for such a simple device, but when you compare the cost to that charged for an equivalent K-bike switch it’s a screamin’ bargain. Your friendly dealer may have to scratch around a bit in the European versions of his parts catalog to locate it, but larger dealerships should be familiar with where to look as it’s a fairly popular upgrade. Even better, it’s also one of the easiest to install, so let’s get started.

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