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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications 2013 550 Now Has 445 HP
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      08-23-2012, 09:25 AM   #1
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2013 550 Now Has 445 HP

Tomorrow I'm trading in my 2011 550 for a 2013. I'm assuming this power increase is entirely just a change in the mapping for the engine. If that's true then I'm assuming that it's an irrelevant change if I wanted the stage 3 from Dinan. Meaning the current stage 3 would still work just the same and have the same end result as it does on the 400hp 550s. Can anyone confirm this?
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      08-23-2012, 11:33 AM   #2
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The 2011 has the same hp as the 2013
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      08-23-2012, 04:41 PM   #3
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Not from factory, according to my dealership they upped it this year to 445 hp. Same engine, different mapping.
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      08-23-2012, 04:44 PM   #4
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No. You dealer is wrong. the bump of hp is more than remapping of software. It's the valvetronic added to the engine.

Only true of change in hp if you ordered a 550GT

http://www.bmw.com/com/en/insights/t...lvetronic.html
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      08-23-2012, 05:47 PM   #5
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Hmm. K, I'll have to find out more then. Thanks.
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