Before you buy, please check your turn signal is buit In mirror cover or Under mirror cover.
and choose correct option in order.
Kibowear Dynamic Blinker LED Turn Signal Lights.
Includes: One pair (right and left)
Advantages:
Dynamic turn signal,easier to be seen by other drivers when you are turning right/left.
Semi-Smoked lens,looks luxurious as sport style.
LED technology,more durable.
Plug and play installation,100% ERROR FREE.
Easy to install, directly connected to the original plug.
No coding required.
With matte surface for scratch resistant.
  Fits and compatible with the following models  :
A4/S4 2008-2009 B8/8K
A5/S5 2007-2009 B8/8K
A6/S6 2008-2011 4F/C6
A8/S8 2008-2010 D3
Q3/SQ3 2012-2015
A3 8P 2008-2010 (some of A3 8P may fit another model, please inquiry)
Some other year may fit too.Please inquiry
Before you buy, please check your original side mirror covers carefully.
B8 model(Turn Signal built-in mirror cover) and B8.5 model(Turn Signal under mirror cover) are using different mirror turn signals.
Please make sure your side mirror is B8 type before you pay.
If your side mirror is B8.5 type, please click below link:
https://www.aliexpress.com/store/product/Kibowear-for-Audi-A4-A5-S5-B8-5-RS5-RS4-Dynamic-Scroll-LED-Turn-Signal-light/607693_32908613197.html
  Please know that our turn signal has normal seam, 100% waterproof, not crack.
If you mind the seam, please do not buy(The VW factory turn signal has similar seam too).