Hi was going to get my a2 chipped but i then noticed an item on ebay a tdi tuning module.it promised 35 increase in bhp and 70 nm of torque.so i bought it popped it on the car is definitely quicker and feels more responsive.but not 35 bhp..fuel is no different has anybody else tried this on there car.is a real chipping or stealth chipping that much better.thanks for any help.