surin70
Club Guest
- Joined
- Dec 23, 2008
- Messages
- 3
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I own a 525i '89 auto. This car can touch 220 kph easily. It is using a standard chip and filter. I am thinking of upgrading my chip to the Eprom as well as changing my air filter to K & N. Will this make a difference?Anyone selling k&n filter and / or eprom performance chip?