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780 Posts
Discussion Starter #1
I am thinking of doing this list of mods to my car.
1) Gruppe M intake
2) Technik or Shark injector (can't decide)
3) 3.15 to 3.46 rear diff swap
4) UUC 8.5lb fly wheel with M5 clutch

My car is a 325ci manual with the UUC TSE2 installed already.
I couldn't find any dyno gains on anything similar.

What HP gain should i expect? at the wheels? at the crank? how much hp do you think my exhaust contributes?

also how much do you guys think my 0 to 60 and 1/4 mile will improve by?
 

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also you won't notice much of a difference in power w/ gruppe m also with 0-60, you will notice a great improvement in sound though
 

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The G.O.A.T. is Baccckkkkk!
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I don't own a manual but i've been in a 323 and a 330 directly after the flywheel and short shift kit were installed and let me tell you it absolutely woke both cars up... for the money i don't think you can beat that combination!!
 

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Obey my dog
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2,616 Posts
DaCraZyVun said:
also you won't notice much of a difference in power w/ gruppe m also with 0-60, you will notice a great improvement in sound though
i definetly noticed a power gain with my gruppem.
 

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Rogue Engineering
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I noticed power gains right after I installed the gruppe m...i disconnected my battery for 20 mins and then installed...
 

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Biggest gain in performance is going to be the diff swap. In fact diff swap and flywheel are going to give you the best bang for your buck.

AdamR
 
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