Manufacturer: Huf
Manufacturer part number: RDE011
Frequency: 433 mhz
OEM part number (s): 95836166100, 7P0907275, 4F0907275D, 4F0907275, 4F0907275B, 7PP907275F
TPMS Relearn website: http://www.tpmsrelearn.com/2016/12/05/audi-3/
The TPMS sensor that is used in 2011 Audi R8 is the Huf RDE011. The valve stem is silver and made of aluminum.
The valve stem can be removed from the sensor body. This allows you to replace the standard silver valve stem with a black or gunmetal colored valve stem.
You can purchase the sensor here:
With silver valve stem: https://www.tpms.com/Audi_Porsche_Volkswagen_Mclaren_TPMS_4F0907275_p/uvc0011.htm
With Black valve stem: https://www.tpms.com/Audi_Porsche_Ferrari_Mclaren_TPMS_4F0907275_p/uvc0011blk.htm
With Gunmetal valve stem: https://www.tpms.com/Audi_Porsche_Ferrari_Mclaren_TPMS_4F0907275_p/uvc0011gmt.htm