Which Z4 sounds better? In this exhaust sound battle, the legendary BMW Z4M (E85) with its high-revving 3.2L naturally aspirated S54 engine goes head-to-head with the BMW Z4 35i (E89), powered by a ...

There's just something undeniably thrilling about the sound of a well-tuned diesel engine exhaust. Among all the ways you can upgrade your diesel truck, the exhaust modifications are what give your ...

For budding car enthusiasts, it's a badge of honor to correctly identify the number of cylinders in an engine just by its exhaust note. The number of cylinders plays a vital role in how an engine ...

Two generations of BMW roadsters, two unique engine characters — which one sounds better? In this Z4 sound battle, the BMW Z4 35i (E89) with its 3.0L turbocharged inline-6 faces off against the iconic ...