just like to jump in and say that my 17y/o 320i with cheap cone filter (no heat sheild) and universal back box made 161bhp on dyno last weekend but my is low mileage and has been serviced regular so i would say that they can lose power if neglected but if looked after it will maintain or even gain a couple of ponies as it loosens up lol, i did the logical thing and dyno'd it before i start and will again at verious stages through tuning so i can see exactly what mods give what power gains
They cary in price but I cant see you paying anymore than £60, you will get a few runs on the dyno to give accurate and average results plus dyno sheet print outs as proof.
There are lots around, I would do a google search in your local area
You are more than welcome
Lol, I know what you mean. Completely different and its not the same mentality
Hopefully you will get VENG, FTR isnt too bad iether. The transition will be quite something for you after all your time in the Reg, I hope it goes well and benefits you
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