Sirus_The_Virus said:
Why discs and pads? Is it better to do it this way? Which one is easier diy
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Also what and where would be the best discs and pads to get?
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In your original post you specifically asked for brakes and disks (we assume that brakes=pads)
You dont necessarily need to replace disks when you replace the pads. Inspect the disks to determine condition, and make a judgement call.
If they are still in a good condition, replace pads, plus brake sensor only.
You can buy pads from BMW (if you are looking for OEM), Goldwagen or Midas. I recommend you do a search on the forum, different brands of pads have been discussed at length.