Evolve Technik E-Sport Tuning Box
For more details:
http://shop.evolve-technik.com/colle...-box-f20-m235i
RRP: $1,586
Evolve claim a power increase of 20%.
You can increase boost to get more power as explained in the manual. I just left it at the default setting. I definitely felt the power increase.
Suitable for M235i, M135i and (probably) all BMW N55 35i engines.
Only two connections. Can be plugged in or out in 3 minutes.
Used for about 6 months.
Asking: $800. (New price $600) (now sold)