BMW Motorcycle R90 Turn Signal Bulb Size

BMW Motorcycle R90 front and rear turn signal bulbs use P21W size specifications. The replacement chart covers 1973 to 1976 production years with corresponding bulb size data.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Turn Signal

YearsUS TypeEU TypeShop
1973-19761156P21WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
1973-19761156P21WCheck Price

Bulb Specifications

Description Type Shop
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price

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