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 ...

The 3 choices from which he had to pick were the Porsche Boxster S, the BMW E85 Z4 and the Mazda RX-8. The BMW Z4 had the 3-liter petrol engine with 231 HP and 300 Nm of torque and was still as ...