Bmw 2024 M550. — the m550i's version of the engine redlines at 6500 rpm to the m5's 7200 rpm, so at full whack the m5 is a touch louder—81 dba versus 79 dba. As to why bmw is dropping the v8 from the regular 5 series, the report doesn't specify.
Edmunds also has bmw 5 series m550i xdrive pricing, mpg, specs, pictures, safety features, consumer reviews. — the m550i’s version of the engine redlines at 6500 rpm to the m5’s 7200 rpm, so at full whack the m5 is a touch louder—81 dba versus 79 dba.