Rear Brake Discs Dimpled & Grooved for BMW 318 2.0 Sport E90 2005-2007Evora Dimpled and Grooved Sport Brake Disc SetThese are a firm favorite for many of our customers with the classic drilled and grooved appearance but without the pitfalls of having a through drilled disc or more commonly described as cross drilled disc. Cross drilled discs allow channeling of hot gasses into the tunnel section of the brake discs in aid to assist the cooling of the discs, however this has a serious flaw resulting in hot spot surrounding the holes often resulting in cracking originating from the holes. Our Dimpled and Grooved discs overcome this problem and offer additional reliability over cross drilled discs, the dimples work in much of the same way allow gasses to sink into the small pockets and immediately escaping once the pocket has passed the pad surface, the grooves also carry out the same task but also help to de-glaze your brake pads and assist with parallel brake pad wear.Below are the product item particulars, please check that the information below meets your requirements.Placement on VehicleRearBrake Disc Diameter (mm)300Brake Disc TypeInternally VentedAmount of Studs5Disc Thickness New (mm)20Disc Thickness Minimum (mm)18Stud Hole PCD (mm)120Height of Brake Disc (mm)66Spigot Diameter (mm)75Brake SystemCriteriaYear and Month FromYear and Month ToInformationManufacturers Part NumberBD7937Disc Properties (where applic.)
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