So I always asked why there are 2 openings 1 is clear the ventilation from the engine but the 2 opening is just there to swirl the air and then to nemen.So zang her and off with the small lid.http://img116.imageshack.us/img116/5897/img0731pp4.th.jpghttp://img116.imageshack.us/img116/3214/hged1.th.jpg then best with a pasted piece of plastic and hot glue close but that it is in the tube klat is and no verwierbelung arises. Conclusion: The wound has become louder on every case. and has brought min 2ps and 3 NM. But the best thing to do is that it is in the tube klat is and no verwierbelung arises.