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      08-19-2010, 07:18 PM   #10
tadtaggert
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Drives: 550i F10
Join Date: Aug 2010
Location: Ohio

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Quote:
Originally Posted by johnbmw6 View Post
600 BHP, you must be joking, 490BHP would be pushing the internals IMO, 600BHP would blow it to bits.
You can look here:

The 550i’s R50S package will boast 620-horsepower from the 4.4-litre twin-turbocharged V8 engine.

Alongside all of these engine changes will come a new exhaust system, a high performance braking system, a new rear locking differential and a new braking system. There will be a lowered suspension as well.

The wheels come in a size of 21-inches, and they will be followed by a new aero kit.
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