Got a 318is, what will be cheaper Engine Swap or Supercharge

Discuss general engine, turbo and supercharger conversions in this section

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WezReaney
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Tue Mar 27, 2012 7:59 pm

Hiya, I've just bought a H reg 318is with 150.000 miles which would be the best option an Engine Swap or a Supercharger and what kind of price am I looking to pay for parts and labour?

Thanks.
Wez
jimmyspeed
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Tue Mar 27, 2012 8:07 pm

engine swap will be cheaper unless you are a metal fabricator/machinist

superchargers need to mounted very accurately, and costs for forced induction steadily rise no matter how thrifty you are - new ecu , dump valve, ducting, intercooling, sensors, gauges etc are required

though it can, and has been done by appletree on here and his was an 318is aswell
ross_jsy
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Thu Mar 29, 2012 10:32 am

Need to know what sort of power levels you are after?
E30BeemerLad
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Mon Apr 02, 2012 12:44 pm

Not only that, but how receptive is a 150k mile M42 engine going to be to some boost?

Going forced induction will probably not be cheap - i.e £3-£5k
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redcar
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Mon Apr 02, 2012 1:43 pm

M42 has quite a high compression ratio to turbo nicely.
Would probably need differing pistons and rods to reduce the CR before boostings it.
Duke137
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Mon Apr 02, 2012 1:59 pm

Buy that 2.8 in the for sale section off Nick, job done.
How do you pronounce 'either'? I say 'either', but some say 'either'. Either is correct.
cecotto_singh
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Mon Apr 02, 2012 5:14 pm

Buy my cossie conversion. Give u power that will blow away most cars on the road. At bargain price aswell!
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coze30
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Tue May 29, 2012 5:36 pm

Ive got a complet supercharger kit for £2000 bolt on if u superchargeing it will make it fast to tel:07938957642
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law99
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Fri Aug 24, 2012 6:57 pm

I've read that this company can do it for you. http://www.gkdsportscars.com/index.html

And it is rumoured to be around the £2000+ mark.

Believe this is my first post here.... be nice to hear what people think of this. There is a thread on it here: http://www.bimmerforums.co.uk/forum/f81 ... r-t115552/.

I'm thinking of looking for a an e30 318is next year. Possibly would go to GKD if it is worth it.
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jonesy318
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Fri Aug 24, 2012 7:10 pm

If you do a conversion and want to sell the m42 set up let me know....
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