advice on turbo charging a 318is

ace

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#1
hey guys!...im new to this place.jus recently bought a 318is manual transmission. wanted sum advice on gettn sum extra juice out of it. sumthn on turbo charging it. required sum details on the best turbo charger to use and the required accessories..... how bout an engine conversion to an M3 engine??? will that be cost effective?? thanx for ur advice...cheers!!!!
 

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Big Daddy

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#2
Welcome to BMW Board ace! I own an e30 318is and I would not turbo it. I believe that the compression ratio is too low and you would cause more damage than good. Maybe an expert here can help better to explain it. Either way welcome and enjoy!
 
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#3
You mean the compression is too high, because low compression is good for turbo and S/C charging. I have heard of a few people turboing their 318s with good results, but I have also heard of people swaping motors with M3s and other engines like a 330 or something els with better results. So what it comes down to is how much power you want? If your not going for huge numbers then get the turbo which would be good for a good 50% increase in power maybe more depending on how much boost you run. If you go that rute Im guessing you will need to rebuild the bottom end of your motor if you want to run high boost, like pistons, rods ect... Now if you want like 250+whp I would go for a swap, but mind you dont go for too big of a motor because part of a BMW is all about handling. Maybe a 325i swap because remember you have a little car so it dosnt take much to get you moving. Thats why I feel turbo is your best beat. Its less of a hassle, cheaper because if you do a motor swap you would probably turbo that motor later to get the big hp numbers. And its less work! Remember Power to weight ratio! Your car is light, 200+hp will really get your car moving. A turbo will put you deep in the 200hp range so I think that would be the most cost effective way to get your self a very fast 318is. Check out Cardomain.com their are some turbo 318s there with pics and mod lists. Im sure some of the owners their could help you.
 

ace

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#5
yup i am interested...do lemme in on the details! and thanx a lot for the info!! am not lookin for nethn 2 heavy nethin above 200 and below 250 hp wud do!!
 


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