Quote:
Originally Posted by cfm56d7b
I think it's unlikely. 4 cylinder engines like B48 provide adequate performance once RPMs exceed 3K-4K. I prefer 6 cylinder engines as an entry point. There is just no substitute for low end torque and of course extra cylinders.
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I believe this has changed recently. BMW is conservative with opening up the Tq crank to leave sufficient oxygen to the 6-cyl. You see this when you compare with competition.
Not the B48 though: it also delivers 295 ft-lb and the 35i variant even has 332 ft-lb, putting it on par with the 540i. In reality: same shove in the low and mid ranges.
About sound, I would be surprised when BMW didn't look at this part either. My experiences with Golf R and alternatives makes me believe that a 4-cyl can also sound the part.