I bought a Chipwerke Pro, used it for about 4 months then decided to go Stage II.
Loved the product, works great, maybe 2 minutes to install/remove.
Note: My box says 2012 and after, so I'm not 100% sure if earlier Audi models use a different box - please confirm prior to buying.
Most are asking $320+ with shipping on top of that, so I will ask $300 shipped (Firm).
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