Wheel bearings are a very important part of the transmission of your Bmw I8. Wheel bearings can be very complex on modern cars containing ABS pick up rings and speed sensors. This increases the cost of the wheel bearing but a noisy wheel bearing can't be ignored. As a wheel bearing wear outs, friction is increased producing excess heat. Its important to change a worn out wheel beairng before it siezes up and causes additional damage. orangespanner can supply both cheap wheel bearings and high quality OEM wheel bearings at great prices.