I think running one sub is plenty of bass as well. I'm running an Infinity sub on a 400w Audiobahn amp, and it is as loud as any 2 sub setup I've had in the past. I'm also a big fan of the remote bass control knobs that you can get for most amps nowadays. Just picked one up for the audiobahn.

Originally Posted by
Jon K
For those asking... I am running a rather simple setup that boggles a lot of people.
They hear the bass but don't realize how lite the setup is. I use an audiobahn 210w amplifier bridged into a single 10" Alpine DVC Type - R in a custom 0.66cu. ft. box in the spare tire hole with the magnet side out. hits hard and dynamic.
Mike S.
1992 535iM black/black
1997 540iM white/gray
Retired: 89 535iA, 85 318i
<<Support your local autobahn, stay out of the left lane!>>