The screaming V8 in the E90/92/93 M3 was an aural drug for many. As much as the new M3 and M4's engines are more efficient and powerful, nothing can quite replace an 8,400-RPM redline.

The 4.0-liter naturally aspirated engine made 414 horsepower and when you mashed the throttle the thing really sang. Angels stopped to listen and Orpheus would put down his lyre.

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These days the M3 and new M4 use a 3.0-liter twin-turbo inline-six with more power and more torque, and it’s one hell of a motor. But it just doesn’t feel as special or as revvy as the mighty V8 did.

This five-minute video is a bit old but we found it recently. It’s an excellent look into the wondrous engine’s assembly and testing. You don’t have to worry about annoying voice-overs or bad dubstep soundtracks—because there aren’t any.