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BMW working on new V8 for M5 CS?

The high-output powerplant could be designed with electrification in mind.

As some automakers are whittling down their internal-combustion development projects, BMW is rumored to be readying a new high-output V8.

Referred to by the codename S68, the upcoming mill is said to represent a significant overhaul of the existing S63 twin-turbo powerplant that retains the "hot-V" layout with a pair of turbochargers tucked in the notch between the cylinder banks, according to BMWBlog.
The latest iteration of the S63 has only been in production for a few years, debuting in the 2018 M5 and carrying over to the M8. In the Competition trim, the V8 delivers 617 horsepower and 553 pound-feet of torque.
The rumor suggests the S68 may be smaller in size and potentially benefit from electrification, which could provide both more power and improved efficiency.
The upcoming M5 CS is said to be a candidate for the new engine, perhaps debuting in 2021 or 2022.

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