All materials in total cost me around £45 so your £150 isn't that bad at all...
E90 LCI 320D M Sport ... Mods to come.....
E92 320D M Sport Coupe - Gloss Black Grill - MV3's
E92 335D M Sport Coupe - Gloss Black Grill - CSL Alloys
6 Series M Sport - M6 Alloys - Upgraded Rings
E46 M3 Silver - Black Grill - Black Side Vents