I own a 2008 M35S with 28k miles. The dealer just serviced my car and informed me that I need rear brakes. The dealer wants to charge $289 for pad replacement and rotor resurfacing. I think their price is high since the OEM pads are only $79 (I called the parts department). Is resurfacing necessary with only 28k miles? This is the first time I’ve had to replace brakes (I don’t drive the car hard). Is there anything special about changing the rear brake pads? I’m familiar with changing import car brake pads.