Prosport lowering springs to fit BMW F31 3 series touring 318i 320i 328i 40/35mm audi a5 s-line / s5 b9 TPU (Thermoplastic polyurethane) surround and

TPU (Thermoplastic polyurethane) surround and a pressed-paper cone provide the optimum ratio between installation friendliness and sound with dynamic and emotional impact

it maybe the case that the hoses will need to be made by Goodridge which can take around 5-7 working days

You may not necessarily get any more 'boost' noise as this valve does NOT vent to air

Track tested and race proven

Prosport lowering springs to fit BMW F31 3 series touring 318i 320i 328i 40/35mm audi a5 s-line / s5 b9 TPU (Thermoplastic polyurethane) surround andPROSPORT LOWERING SPRINGS LIFETIME WARRANTY (First owner first vehicle) 40mm front and 35mm rear lowering springs Designed to fit BMW 3 series F31 2011 onwards touring (estate) NOT XDRIVE models (please note if its an M Sport model you may get 10mm approx less lowering ) Engine type : 318i 320i 328i Kit contains 4 springs Please carry out the appropriate research to ensure your vehicle is compatible with the product based on the specifications we have