Engine and gearbox
Both coupe and convertible use a 321bhp turbocharged straight-six, with the same six-speed manual gearbox as standard. Peak power is developed at 5800rpm, with 332lb ft of torque available from 1300rpm.
As standard the M235i gets a fantastic six-speed manual with a short shift, and BMW’s optional eight-speed automatic is a particularly good one. The paddles are attached to the steering wheel and have a lovely curve so that you can hook the tips of your fingers onto them.
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The shifts are not as ruthless as a dual-clutch, but they are extremely good nonetheless and give you a real sense of connection when batting between gears.