I had this list in another thread so I decided to post it here to get your educated input. The first 8 are mine. #9 is input from another member.

#1 It was not included when it came from the factory.

#2 It does not increase performance

#3 It's throwing good money away

#4 These may prevent one from driving around NYC

#5 it dosent make the BMW better

#6 This was bought from people who want to sell things

#7 It may make your BMW look different

#8 They cannot be installed on a leased BMW

#9 It makes up for your small member.

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