New 3.0-Liter Straight-Six
Sounds disappointing to here that there’s no V8 engine for this generation again. Like their predecessors, the new M3 and M4 will be powered by a straight-six engine. The M division’s S58 engine bound for the M3 and M4 is based on the BMW B58 engine. It has been around since 2017 and currently serves duty in the new Toyota Supra. In S58 guise, though, it gains a second turbocharger and, in the current X3 M and X4 M models, makes 473 horsepower and 442 lb-ft of torque. We expect similar figures for 2021 M3 and M4.
There Will Be Manuals
A lot of drivers love manual transmission systems in their cars and here it is. According to BMW’s Research and Development boss, Klaus Frolic is promising manual versions of the next M3 and M4, and there are reports of them actually being in the works, so we can safely say at this point manual M3 and M4 cars will be available. The rumour mill has it that manual models with rear-wheel-drive will have the name “Pure” attached to them and that they will be the base models. This brings us to a significant change in the M3 and M4 line-up.
No More Dual-Clutch Transmission
Now, leave alone the M2 and current M4, all other M models have torque-converter automatic transmissions. It has been confirmed by BMW M boss Markus Flasch that the M3 and M4 will also have an eight-speed torque-converter. It seems the dual-clutch transmission’s days are numbered as technology has caught up with the weight and shift-time advantage. it used to have over the more traditional fluid coupling technique. As well as being as fast-shifting as dual-clutches, torque-converters are more durable, and this to me it sounds like a win isn’t it?
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