Chiptuning or Powerbox
Since a few weeks I'm a proud owner of the new Z4 (2013 LCI sDrive20i Automatic transmission). Now I want to tune or let tune the Z4 but I doubt between Chiptuning and using a Powerbox (ie RaceChip, Speed-Buster and so on).
I have the following questions:
- What are the pros and cons about Chiptuning and the Powerbox
- What are good brands, reasonably priced (< 1.000 euro)
- Belgium, Netherlands region
Any advice will be greatly appreciated.
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