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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 08-25-2015, 03:32 PM
kcrokin kcrokin is offline
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Location: Wheeling, IL
 
Join Date: Aug 2015
Posts: 4
Mein Auto: 2008 550i M Sport
Dinan exhaust - 550i 08 M sport

I read on a forum (it could have been here) that the dinan exhaust will raise my 550i to 400 hp (fly).

Does anyone know if there is any truth to that? Just wanted to confirm!

Thnx!
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  #2  
Old 08-25-2015, 03:37 PM
Jready15 Jready15 is offline
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Location: Tucson AZ
 
Join Date: May 2015
Posts: 27
Mein Auto: 2008 BMW 550
400? I'd guess 390,,, I have their HiFlo Intake with Software package 2, and guessing about 375hp. Add Throttle body and exhaust and might get to that 390. Very hard to find actual verified numbers when it comes to the E6O 550.
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Old 08-25-2015, 03:39 PM
kcrokin kcrokin is offline
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Location: Wheeling, IL
 
Join Date: Aug 2015
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Mein Auto: 2008 550i M Sport
ahh, thank you! that is a lot of money to throw for only a 40 HP gain. Any idea what brand would be the most economical and not sacrifice much in regards to performance?
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  #4  
Old 08-25-2015, 05:03 PM
etnav382 etnav382 is offline
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Location: Bangor, WA
 
Join Date: Oct 2010
Posts: 541
Mein Auto: 06 550i
First, go to the Dinan website and look there. There's no way an axle back exhaust is going to get you 40hp on a NA motor. The N62 is basically maxed from factory. The best mods for hp is headers and supercharger.

Second, engine mods aren't exactly cumulative in hp gain. 5hp max gain here and 5hp max gain there doesn't always equal 10hp max gain.. Remember Dinan mods extremely conservatively because they offer a warranty that replaces BMW's factory one.
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  #5  
Old 08-25-2015, 07:56 PM
kcrokin kcrokin is offline
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Location: Wheeling, IL
 
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Posts: 4
Mein Auto: 2008 550i M Sport
Got it, so i Dinan's mods are conservative then what brand would get more HP gain?
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