BMW 135i Turn Signal Bulb Size

The BMW 135i uses PY21W bulbs with 12496 designation for both front and rear turn signal applications, with bulb size specifications detailed for the vehicle. The replacement chart covers 2008 through 2013 model years and documents turn signal bulb specifications across the production range.

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

Front Turn Signal

YearsBulb Size
2013PY21W
2011-201212496
2009-2010PY21W (With HID Headlamps)
12496 (With Halogen Capsule Headlamps)
200812496 (With HID Headlamps)
PY21W (With Halogen Capsule Headlamps)

Rear Turn Signal

YearsBulb Size
201312496
2012PY21W
2008-201112496

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W.PY21W
Philips/Osram part number. Halogen bulb, specialty application. 12V.12496

Other Locations

Additional Notes