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No big fans of the changeover from the 3-series to the 4-series moniker, Bimmerpost reviews the BMW 435i convertible from a critical perspective. Here is an excerpt of their review.
BMW offers two engines: The turbocharged, 240-horsepower N20 four-banger in the 428i, and the turbocharged, 300-horsepower N55 straight-six in the 435i. The former 328i’s suave, naturally aspirated 3.0-liter straight-six is history, and so is the six-speed manual transmission. The 4-series Cabriolet comes with an eight-speed automatic only, which replaces the formerly used six-speed slushbox.
The 435i’s direct-injected, single-turbo N55 engine matches the responsiveness of the twin-turbocharged N54 which was used for a few years in the 335i, and it is a lot more efficient: In other BMW models, this writer has experienced real-life efficiency gains of 10 per cent and more. But it is hardly a match for the sound quality of the N54, not to mention BMW’s now-defunct naturally aspirated sixes. There is a sharp edge to the engine note, and the sound does not quite put BMW in a category of its own anymore. Moreover, the 435i Convertible is so heavy that it does not feel particularly fast. In fairness, the actual numbers – zero to 60 in 5.4 seconds and a top speed of 130 or 155 mph, depending on the tires – are impressive. But it just doesn’t feel this fast, especially when compared to BMW’s own four-door 335i. Thanks to abundant low-end torque and the busy-bee eight-speed slushbox, the 435i Convertible is reasonably quick around town and on the freeway, but this car certainly doesn’t encourage racing a Boxster, or just a well-driven 3-series.
It is most comfortable on the boulevard, especially when fitted with the Luxury package – like our test car. There is noticeably more body flex than in the fixed-roof 435i Coupe, and this couldn’t be any different, given its open-top design. The steering is reasonably precise, but it still lacks the wonderfully balanced weight and feedback of the old hydraulic system. So it is best to keep a reasonable pace, lower the top, and enjoy the comfortable seats and the well-equipped interior. We especially liked the ash grain wood trim with metal inlays and the functional instrumentation. The front seats are firm and comfortable, and the rear seats offer enough room for extended outings.
