Can I get a performance chip for a 2004 BMW 525i?
I am not looking to reprogram my existing chip, instead I want a separate chip that I can use for performance, and put my old chip back in when I take the car in for service.
Thanks,
Dave
I am not looking to reprogram my existing chip, instead I want a separate chip that I can use for performance, and put my old chip back in when I take the car in for service.
Thanks,
Dave
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