Quote:
Originally Posted by SmartSaves
Mine is 4 months old MY21 X5 40i MSport with mild hybrid, currently has 3300 km. I am having similar pulsating shudder when I press brake pedal to slow down, especially from about 80km/hr. Initially I thought it is related to brake energy regenerative system, but it is more and more feels like brake pad deposits issue or some form of rotor warp. With Covid car is sitting in garage longer, don't know if that has anything to do with it. I also tried brake pad bedding by slowing down form about 80 km to 10km/hr repeatedly about 8 times and driving without braking immediately afterwards (as much as possible) to cool down the pads and rotors; however, the shudder is still there. Booked an appointment with dealership next week to find out what is going on.
By the way, BMW use Continental developed MK C1 brake-by-wire system.
Here are two helpful videos on brake pad bedding and rotor warp:
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Thanks for sharing. I also booked a appointment with dealership next week to have the car checked out. Please keep me updated!