Design of 2006 3-Series Model

The automaker designed its 300i model with a muscular engine, and the vehicle was introduced in wagon as well as sedan body styles.

Mechanical Specs

Coming to the mechanical design, 300i was outfitted with a robust in-line 3.0-liter 6-cylinder gasoline engine that was developed with aluminum-magnesium alloy heads.

2006 bmw 300i

The engine had a bore of 3.35 inches and stroke of about 3.46 inches. It used a dual-overhead cam and a variable valve control system.

For enhanced fuel economy, fuel injection system was available. This engine directed the generated power to specific wheels with the help of a manual six-speed transmission.

2006 bmw 300i

The power-train was designed to connect it to an automatic auto-manual transmission, which was integrated with “Steptronic” technology. Only rear-wheel drive configuration was available.


This powerful inline 3.0-liter 6-cylinder engine delviered 220 pounds-ft of torque and 255 hp of power. With the electronic fuel injection system, the engine achieved a compression ratio of 10.7:1.

Coming to accelerating performance, 2006 BMW 300i could hit the 60 mph mark in only 5.6 seconds with a top speed of about 130 miles per hour. As far as fuel economy is concerned, the vehicle achieved 30 mpg on highway and 21 mpg in city.

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