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.

Comparison to Prior Model

2011 BMW 1-Series Convertible 2010 BMW 1-Series Convertible
2011 BMW 1-Series Convertible 2010 BMW 1-Series Convertible
Price Range ($) $34,500 - $42,225 $34,000 - $44,875
Length (in) 172.2 172.2
Wheelbase (in) 104.7 104.7
Width (in) 68.8 68.8
Height (in) 55.6 55.6
Track (in) 58.0 58.0
Exterior Volume (cu. ft.) 321.4 321.4
Curb Weight (lbs.) 3494-3704 3494-3671
Legroom Total (in.) 72.5 72.5
Passenger Volume (cu. ft.) 78.0 78.0
Cargo Volume (cu. ft.) 8.0 8.0
Driven Wheels
  • RWD
  • RWD
Engines
  • 3.0l I6 (230-bhp)
  • 3.0l I6 T (300-bhp)
  • 3.0l I6 (230-bhp)
  • 3.0l I6 T (300-bhp)
Transmissions A6, M6, SM7 A6, M6
City MPG 18-19 17-18
Highway MPG 25-28 26-28
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