Yum Clay Block 3.5 Our new design

Our new design

Its direct-fit design allows for straightforward installation

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– Your exchanged E90 ECM can only be tuned via the OBD2 port with latest version of HP Tuners VCM Suite and an MPVI3

Yum Clay Block 3.5 Our new designYumCars Clay Block Safely remove bonded contaminants and particles from your vehicle to bring back a perfectly smooth finish with our synthetic Clay Block. Clay should be performed on a clean area, so always wash it thoroughly first and start with a clean surface. The clay process must always be used in conjunction with lubrication, which helps to minimise any damage so be sure to follow up with a machine polish afterwards. Synthetic clay has the