Hi all, l want to fit a tow bar which will be detachable on my 2010 A3 5 door, lam being told l need to fit a different lower spoiler with a cut out in it. I can't afford to keep chucking money at it so is it possible to just cut a bit of the lower bumper/ spoiler out and when it comes to selling the car l could replace the cut out bit with an original second hand one. I also have reversing sensors what impact will this have and has anyone any advice on fitting and wireing the thing up, thanks