BMW 750i front inner turn signal bulb uses 3457NA size, while front turn signal bulbs measure 3357NA or 12961, and rear turn signal bulbs are 12496 or PY21W in size. The replacement chart covers 2006 to 2008 model 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.