BMW E60 E61 535d 2003-2010 Grooved Only Front Brake Discs (348mm x 36mm)
BMW E60 E61 535d Grooved Front Brake Discs 348mm x 36mm 2003-2010. BMW 5 Series E60/E61 530d 03-> Grooved Front Brake Discs. BMW OEM ref number 34116766871. This occurs when there is a build up of gases between your brake discs and pads.