In today was a T4 1.9 td in for a spot of manual tuning. This started out with 69.5 bhp and 126 nm of torque but once tuned it made an impressive 97 bhp and 181 nm of TH Performance torque. These are gains of 27.5 bhp and 55 nm of torque or put another way gains of 40% more bhp and 44% more torque, simply stunning gains.
