Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y A constant ram air supply

A constant ram air supply is forced in from the grille inlet

This unique design also separates rainwater from the intake air

Fully disassemblable for cleaning

upgrade the corresponding wiring accordingly

using a multilayer (laminated) core construction to minimise weight and pressure drop while improving cooling performance over the factory unit

Girodisc BMW E46 M3 Front Replacement Rings AUDI_A3_8Y A constant ram air supplyOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.