ive bought 2 sets of fog lights for my s3 but none are fitting, do the fog lights bolt direct to the bumper or is there a bracket that bolts to inbetween bumper and fogs ? ive bought a3 s3 / sline ones correct for my year and also biought the a4 sline ones 2005 - 2008 as been told there same, mine is a 2007 s3 bumper