Originally Posted by jojogoya88
Asked my SA about the 1200 mile service and he said that they do "unlock" the rest of the power, this is because they are sensitive engines. I dont think its a myth.
Well, I'll check for this in two days after my 1200 service. If its true, its a well kept secret. Here's to hoping its true
2012 550i, M Sports Pkg, Nav, Black int/ext, yada, yada, yada