Overview Information

Each successive generation of BMW's iconic 3-Series has grown in size and price, leaving the door open for a new entry-level model. BMW has introduced the 1-Series coupe and convertible to fill that opening. Compared to the 3-Series the 1-Series is about 9 inches shorter, 2 inches narrower and a couple hundred pounds lighter. The good news is that the same two six cylinder engines power the smaller car. A 230-bhp inline-six resides in the 128i, whereas a 300-bhp turbocharged version powers the 135i. A smaller car with the same power could make the choice between the two tough for prospective BMW buyers. Although the starting price is low, options and packages can add thousands to the price.

What Changed:

A new inline six-cylinder engine with a single turbocharger replaces last year's twin turbo engine on 135i models. The power and torque ratings are unchanged. A seven-speed dual clutch transmission replaces the optional automatic transmission on 135i models.

Official Word:

BMW's EfficientDynamics philosophy continues with the 2011 135i Coupe and Convertible models which feature the company's latest twin-scroll turbocharged 3.0-liter inline six cylinder engine. Both models will feature the 7-speed Double-Clutch Transmission (DCT) as an option. The new six-cylinder (N55 designation) develops maximum output of 300 hp at 5,800 rpm, with peak torque of 300 lb-ft available all the way from 1,200-5,000 rpm. This is the same level of performance as the current 3.0-liter twin-turbo six-cylinder...Read.

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