I have just got my BAM s3 back on the road after a hefty overhaul and i still have a niggle. Its driving me mental and i just want my car to run 100%. I feel as if it about 80% at the the minute. these are my symptoms. when starting from cold the car does not like to boost properly at all. It would rather make lots of spooling/choking noise which doesn't convert to power. It likes to dump air from the dv also. All noise and no go. however, when the engine is up to temperature it runs absolutely beautifully. it boosts nice and hard throughout the entire rev range Parts i have fitted brand new genuine turbo all breather/vac lines replaced with silicone creative motorsports tip brand new spark plugs brand new fuel filter fresh oil brand new green temp sensor brand new stat s2000 air filter second hand EGT i have not replaced the n75 valveâ¦..should i? i have blown in to it and it isn't leaking though the long pipe. i have unplugged it also, and ran the car and the car ran slow but flawlessly i have scanned for fault codes and the only one i keep getting is 17863 - Exhaust Gas Temp Sensor 1 (G235) P1455 - 35-10 - Implausible Signal - Intermittent I have replaced the EGT with a second hand unit off bay so this may be faulty i bought a new turbo i was wondering if the actuator need to be adjusted as i did not adjust it. I have vag-com and would like to do some logging but need to knowâ¦â¦do i log from cold, when the problem occurs? do i log through a certain rev range? and which blocks would be best to log. and realistically could the n75 and/or the EGT be the source of all my problems. Sorry to keep annoying everyone!!