(openPR) - The BMW X3 sport-activity vehicle comes with a new transmission for 2007. The company claims this accounts for a 6-percent gain in fuel economy and offsets the increase in power and curb weight. Another option in the BMW lineup is the Z4, a roadster with refined handling and well balanced driving on public roads.

K&N Engineering has developed a lifetime replacement air filter (33-2372) for the 2007 BMW X3 3.0-liter engine and the 2007 BMW Z4 3.0-liter engine. Simply remove the disposable air filter and replace it with K&N’s Air Filter for virtually unrestricted air flow. Each replacement air filter is custom designed to fit in the factory air box and requires no modifications.

The outside length of 33-2372 is 11.25 inches (286 mm), with a height of 1.25 inches (32 mm) and an outside width of 9 inches (229 mm). Designed to increase power and torque while providing excellent filtration, there is a great deal of engineering behind every K&N Filter.

Our stock replacement air filters for street vehicles are covered by the famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

Find K&N products for your vehicle using the K&N application search at KNFilters.com.

K&N Engineering, Inc., with headquarters in Riverside, California, USA has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail tech@knfilters.com, or visit www.knfilters.com.

K&N Engineering, Inc.
1455 Citrus St.
Riverside, California 92507
951-826-4000
Mike Garner