Wheel bearings are a very important part of the transmission of your Bmw 3 Series. 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.