Is rechiping a vw diesel engine affecting the original performance?

i want to add some more power to may vw passat 1.9 tdi 105 bhp,and i' ve been warned by friends it will affect the gear box or the original performance if i do this. Is true or not?

Is rechiping a vw diesel engine affecting the original performance?It's not going to affect the gearbox, but it will affect the clutch. If you want to add performance to the oilburner, put a high performance clutch in, along with a better exhaust system, and the chip.Is rechiping a vw diesel engine affecting the original performance?Yes it will improve performance, and is unlikely to affect gearbox as this is plenty strong enough. Go for the re-chipping.