BMW Motorcycle R1100S Turn Signal Bulb Size
BMW Motorcycle R1100S front and rear turn signal bulbs use 12496, PY21W, and P21W bulb sizes for replacement specifications. The replacement chart covers 1998 to 2005 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.
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Front Turn Signal
Years Bulb Size
2004-2005 12496 (With Clear Lens)
PY21W (With Clear Lens)
P21W (Without Clear Lens)
2003 12496 (With Clear Lens)
P21W (Without Clear Lens)
2002 12496 (With Clear Lens)
PY21W (With Clear Lens)
P21W (Without Clear Lens)
2001 12496 (With Clear Lens)
P21W (Without Clear Lens)
1999-2000 12496 (With Clear Lens)
PY21W (With Clear Lens)
P21W (Without Clear Lens)
1998 12496 (With Clear Lens)
P21W (Without Clear Lens)
Rear Turn Signal
Years Bulb Size
2002-2005 12496 (With Clear Lens)
PY21W (With Clear Lens)
P21W (Without Clear Lens)
2001 PY21W (With Clear Lens)
P21W (Without Clear Lens)
2000 12496 (With Clear Lens)
PY21W (With Clear Lens)
P21W (Without Clear Lens)
1998-1999 12496 (With Clear Lens)
P21W (Without Clear Lens)
Bulb Specifications
Description
Bulb Size
Philips/Osram part number. Halogen bulb, specialty application. 12V. 12496
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. PY21W
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. P21W