Hi all, I have Punto 1.3 Diesel, Can anybody suggest me a easy and cheapest modifications in my car, anything about exterior,interior or electrical. 1. Currently i have purchased EML327 OBD II bluetooth dongle and continuous connected to my car (Is there any issue?). 2. http://www.n1-racing.com/product_detail.html?product=naI what is the cost of this tuning chip or any other cheapest tuning kit? Tuning will reduce my average? Thanks.