More Power.
Both the 325i and the 330i get fresh engines for 2006: a new-generation 3.0-liter inline 6-cylinder. Designated N52, this smooth I6 has different output for the 325i and the 330i.
Image via Wikipedia
In the 325i, horsepower is rated at 215 (vs. 184 in the previous generation), while the top-of-the-line 330i makes 255 horsepower (vs. 225 in the previous generation). Torque also increases and the engine now redlines at 7000 rpm—500 rpm higher than before.The engine block is hewn from an innovative magnesium/aluminum composite, reducing weight by 22 lbs. In addition, the N52 features BMW's Valvetronic variable valve lift. Valvetronic has been featured in BMW V8s and V12s, but this is its first use in a BMW 6-cylinder engine. Valvetronic provides quicker engine response, better fuel economy, more power and a wider torque curve.
Fuel economy ratings have not been announced; however, while driving the 330i we observed an impressive average fuel economy in the mid-20s while driving quite aggressively. Projections for freeway economy could safely be in the 30 mpg range.
Both the 325i and 330i come with a standard 6-speed manual transmission; a 6-speed STEPTRONIC automatic transmission is optional. A 6-speed Sequential Manual Gearbox (SMG) will be available on the 330i later this year.
We didn't get a chance to try the automatic, but the 6-speed manual is very slick, with short shifts and smooth operation. BMW claims a 0-60 mph time of just 6.1 seconds, which may be conservative based on our driving experience. Surprisingly, cars equipped with the automatic transmission are only a few tenths slower.
When you own a vehicle, you always want it to be at its best. And that takes more than just oil changes and the occasional car wash. You need more. CARiD.com specializes in providing drivers with car accessories and truck accessories that add a distinctive touch. Whether you're searching for style, protection, or comfort, we host a wide array of auto accessories for you to choose from.
Every major aftermarket manufacturer is on display at CARiD.com. Car grills, spoilers, wheels, floor mats, body kits, tail lights, chrome trim - basically all things automotive that unveil beauty and style.