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  #11  
Old 04-27-2010, 03:28 PM
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Wow! thanks jsears! I'll let him know.
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  #12  
Old 04-28-2010, 12:54 PM
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Up they do M6's. If your brother does a signature package he can spend from $6K to $50K!
You can buy another bimmer like a brand new 335 coupe for that.
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  #13  
Old 04-30-2010, 09:23 AM
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I've done the Dinan Software upgrades with throttle body. The exhaust was too much for my liking so I went with deleting the resonators and replacing with an X pipe. Those mods alone gave my 3.0i a little more life in the mid and high range of its power band. No dyno slips but the car moves with less effort than before.

I have ordered TMS pullies and have yet to install them. I dont expect a huge increase in power, but enough to consider my purchase worth it.
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  #14  
Old 04-30-2010, 09:24 AM
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Another suggestion would be to try the software upgrades from Superchips, TMS or Conforti...
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  #15  
Old 04-30-2010, 09:34 AM
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Originally Posted by CharlieHustleX5 View Post
I have ordered TMS pullies and have yet to install them. I dont expect a huge increase in power, but enough to consider my purchase worth it.
TMS HP pulleys..... You will love it.
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  #16  
Old 04-30-2010, 02:31 PM
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Have any of you 3.0i engine up graders ever ran a dyno for your X?
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  #17  
Old 04-30-2010, 07:33 PM
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Originally Posted by TheGodfather View Post
Have any of you 3.0i engine up graders ever ran a dyno for your X?
I would if I needed to know the exact numbers my X is putting out, but for the minimal amount of gains I already expect, I dont exactly see a point. At most, I'd be 10-14hp and 12-18ft.lbs more than stock. Even if it were slightly less, I wouldn't be disappointed. Its clear the 3.0i version of the e53 lacks power upgrades, aside from a supercharger kit.

Maybe if dyno runs were cheap/free and nearby I'd throw it on to see the numbers.
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  #18  
Old 04-30-2010, 07:34 PM
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TMS HP pulleys..... You will love it.
I hope so.....thank god they weren't too expensive either..
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  #19  
Old 05-01-2010, 07:47 PM
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I also have the same question but on a 4.4. Would I see any "real" difference just upgrading the engine software and tranny software?
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  #20  
Old 05-01-2010, 08:23 PM
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Originally Posted by louniex View Post
I also have the same question but on a 4.4. Would I see any "real" difference just upgrading the engine software and tranny software?
I am pretty sure upgrades on a 4.4 engine would be very worth it. And improvement felt would be much more obvious than on a 3.0
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