3 popular BMW car key chips

Many house owners will prepare a spare key if case that one day the original key is lost. So do the car owners. Something unexpected may happen anytime, a spare car key is very necessary. Today, I would like to introduce 3 BMW car key chips, which are very popular on the market. I hope this may do some use to you.

YH BM3/5 Key for BMW 3/5 Series 315MHZ
YH BM3/5 Key for BMW 3/5 Series 315MHZ is designed for YH BM3/5 Key for BMW 3/5 Series 315MHZ. it is suited to 2003~ BMW 3 Series (E90), 5 Series (E90), X5 (E70), X6 (E71) CAS2/CAS3 Anti-theft system.
The price is about $118, people who is interested can have a look

YH BM7 Key for BMW 7 Series 315MHZ
YH BM7 Key for BMW 7 Series 315MHZ is designed for for BMW 7 Series. It is suitable for 2002~ BMW 7 Series (E65, E66) CAS1/CAS2 Anti-theft system.
The price is about $165, a little higher than YH BM3/5 Key for BMW 3/5 Series.

YH Porsche Cayenne Smart Remote Key 315MHz
YH Porsche Cayenne Smart Remote Key 315MHz is designed for Porshce Cayenne to 2010. It is also compatible with Hitag-2 car key programmer (used for BMW, Porsche and Touareg) and Porsche Tester PIWIS.
The price is about $145.
Btw, the frequency of the 3 car key chips is 315MHZ.
The 3 above car key chips are all very popular on the market. The customer feedback is also very good. No repair record was reported. Customers who is interested can have a look.