BMW Motorcycle G650GS front and rear turn signal bulbs utilize a 5008 size specification. The replacement chart covers 2009 to 2010 production years with corresponding bulb specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The BMW Motorcycle G650GS uses the 5008 bulb across both its front and rear turn signal positions for the 2009-2010 model years.
The 5008 is an ANSI-standardized bulb type recognized in the US and Canadian markets, operating on a 12-volt electrical system.
It is a single-filament bulb, meaning it serves one lighting function rather than combining two functions such as turn signaling and braking into a single unit.
The 5008 uses a BA15s bayonet base, which is a single-contact bayonet mount with a 15mm collar width, secured by two side pins that lock the bulb into its socket with a push-and-twist motion.
The 5008 is a lower wattage variant of the 1156 bulb type, sharing the same BA15s base configuration, which means the two types are physically similar but not electrically identical due to the wattage difference.
Because the 5008 and 1156 share the same base type, a substitution between the two is physically possible, but the wattage difference may affect turn signal flash rates or trigger load-sensitive warning systems on the G650GS.