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E63 / E64 6 Series (2003 - 2013)
The E63/E64 BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #1  
Old 10-17-2014, 05:37 PM
cedy ced cedy ced is offline
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Mein Auto:
Need horsepower and growl!!

I recently bought a 2009 650i. I've added magna flow exhaust but still not getting to growl I expected. Also when I hit the gas I notice like it has air restriction or something. What do I need to add?


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  #2  
Old 10-17-2014, 11:53 PM
Bandit4077 Bandit4077 is offline
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Mein Auto: E46 facelift Sedan
What do you mean by air restriction exactly... I know exactly what you mean by growl, though. So, if I were you, I would start by looking at the diagrams of the intake system and see if anything looks like its there to manage the sound... (baffles, coffers, deadners) a lot of the growling sound you'll hear on cars is intake noise. see if there is an aftermarket filter? Something that isn't stuck in a box would be nice.
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Old 10-18-2014, 06:45 AM
cedy ced cedy ced is offline
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Hey Bandit! Thanks for the reply. I will buy me the cold air intakes. (Air restriction) Maybe I'm using the wrong term but the harder you press the gas you inspect more combustion due to the pressure complied but on my Beemer you press gas and pressure seems to cut out as if there's a governor applied. Also what would adding a bigger throttle body result and where would I find it if it would add horsepower and sound. Sorry, don't know much about cars so bare with me


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  #4  
Old 10-18-2014, 12:21 PM
Bandit4077 Bandit4077 is offline
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Mein Auto: E46 facelift Sedan
Ok, I thought that's what you meant...
At this point, I suggest that you put your wallet away and research some things. there are quite a few options out there, many reviews on multiple sites, a ton of great information out there!
after market Intakes are sold in stages, the expense goes up with the effectiveness (generally), and you should find out what the difference is, when you do that, you can find out what you might like to put on your car...
good luck with all of this.
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  #5  
Old Yesterday, 08:36 AM
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tim330i tim330i is offline
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Location: Boston
 
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Mein Auto: Ti Silver 03 M3
Welcome to Bimmerfest! I've moved your question to the 6 series forum, you'll get more help in here.

Good luck,
Tim
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  #6  
Old Yesterday, 09:03 AM
euhysh euhysh is offline
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Location: Los Angeles
 
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Mein Auto: 2008 650i Coupe 6MT
Did you get the full catback exhaust or is your Magnaflow custom?
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  #7  
Old Yesterday, 01:37 PM
carrazco650i carrazco650i is offline
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Location: Tempe
 
Join Date: May 2013
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Mein Auto: 650i
You maybe want to get the sprint throttle adjuster since there is a delay on the throttle pedal.
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