golfiste if you are in the UK and your father's car is a 1.9 JTD (must be if its 105 bhp) contact a company called angel tuning. They can remap the ECU and the car will produces either 130 or 155BHP

(your choice). Heres their web address
www.angeltuning.co.uk They are based in the midlands but the do travel around the country.