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Forced Induction
Aftermarket superchargers & turbos as well as tuning for stock BMW turbos (N54 motor - 135i / 335i / 535i). Force-fed discussion to make your car go faster

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  #1  
Old 04-21-2007, 01:13 AM
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Mein Auto: 01 325i ZSP
FI on a 325i

I am looking to get forced induction on my 325i for more power and I had a couple of questions as to what direction i should go. I don't want to spend more than 6k. I have high mileage, 90k+. Would would be better for me: Super or turbo? and what product(s) should i consider?
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  #2  
Old 04-22-2007, 06:49 AM
Malina Malina is offline
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First of all, make sure ur ride is in good to perfect mechanical condition. Before supercharging (the only route for e46 325 for now) put money on preventive maintenance.
SC kits are from $4k to $7K with a professional install for upto $1500.
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Old 04-22-2007, 09:13 AM
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Mein Auto: 01 325i ZSP
yea, the car is in perfect shape. its been a dream. last night while reading on the e46fanatics forum i was reading stuff about parting out m3's and m5's and i had a thought of instead of boosting my engine why don't i just buy a parted out one off of an m5 or m3 for relatively the same cost without the possible complications like engine explosion. I don't think an m5 engine would fit but im no expert. What do you guys think?
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Old 04-22-2007, 04:19 PM
Malina Malina is offline
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Swapping engines will cost you more because of labour, unless you can DIY.
Superchanging is the "cheapest" way.
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Old 05-04-2007, 12:45 PM
dredder dredder is offline
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I put together a turbo kit for less than $3k. It took me about 6 months of really watching for great deal on the internet. I did pretty much everything myself including tuning the bigger injectors with stock ECU. At 10psi i manged to trap 107mph in the 1/4 mile
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Old 05-04-2007, 02:15 PM
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  #7  
Old 05-26-2007, 06:56 AM
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Originally Posted by dredder View Post
I put together a turbo kit for less than $3k. It took me about 6 months of really watching for great deal on the internet. I did pretty much everything myself including tuning the bigger injectors with stock ECU. At 10psi i manged to trap 107mph in the 1/4 mile
It is all diy, good job. Do you focus on the trap speed mainly, or hp numbers.
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Old 06-13-2007, 11:42 PM
zielkerules zielkerules is offline
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Mein Auto: 1992 325i
if i have 144k on my car is that ok there is no probs with it
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Old 06-15-2007, 12:10 PM
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Originally Posted by zielkerules View Post
if i have 144k on my car is that ok there is no probs with it

At that mileage when you go FI, something is bound to brake. What numbers (HP) are you looking to have?
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