Which BMW roadster sounds better? The high-revving 3.2L S54 engine in the Z4M E85 or the turbocharged 3.0L N54 in the Z4 35i E89? This sound comparison features cold starts, revving, drive-bys ...

Some people claim that the current Mustang GT is a poor man’s BMW M4. While we don’t agree ... instead of regular fuel, it used E85 which also helped out a bit. Then it was time for the ...