MMX Magnetic Differential Plug - BMW RS4 / RS5 (B9) Just checking that little pressure

Just checking that little pressure gauge is not enough either as the O-rings can perish over time

The Evolve-R is an OBD-II compatible device which connects to your vehicles OBD-II port and your laptop

Transform the handling of your F10 M5 | F06 | F12 | F13 M6 with this suspension upgrade package

resulting in a long-lasting

MMX Magnetic Differential Plug - BMW RS4 / RS5 (B9) Just checking that little pressureThe MMR Performance magnetic diff plug is a simple, yet efficient tool that can dramatically increase your differential's lifespan. As an differential wears it becomes inevitable that tiny metallic particles will be found in the oil. The MMR magnetic diff plugs help to catch such particles, therefore cleansing your oil allowing it to more effectively lubricate, whilst minimising further potential wear. A direct replacement for the OE part, the MMR