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Discussion Starter · #1 ·
European Auto Source got their hands on an M4 and an M3. With those in their hands, they put them to the test with a professional dyno run.

The dyno shows that BMW actually underrated its S55 engine. The cars make around 460 HP and 460 lb-ft of torque at the crank easily.

The M4 came in at 3,579 lbs. Is that light?

Here's a video and a link to the original article.
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