BMW 4 Series - Tech Talk F32,F33,F36,F82,F83
Hi All,
New member, hope everybody is well.
My 2016 M4 competition has only 18,000 miles on it, its been maintained regardless of cost, has new tyres, brakes are all perfect etc etc.
Recently, i've noticed a loudish scraping noise, it sounds once with every rotation of one of the wheels.
It...