318i M10 to M42 conversion - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 11-09-2005, 08:14 PM
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318i M10 to M42 conversion

How difficult would it be to convert my 1985 318i to an M42 from a later
318i? I'm planning on going with this over an M50 or S50 because of 1) gas mileage and 2) the price of parts (engine, trans, etc) for the conversion. I am planning on using a rebuilt M42 and rebuilt trans. Any suggestions? Any specific year? (Im seeing quite a few different on Bavarian Auto Exchange www.bmwengine.com)

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#2 (permalink) Old 11-09-2005, 08:32 PM
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how come it doesn't tell you what their dyno tested engines are producing?

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#3 (permalink) Old 11-09-2005, 08:36 PM
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you should do an M20 conversion.

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#4 (permalink) Old 11-09-2005, 09:38 PM
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http://cgi.ebay.com/ebaymotors/BMW-M...ayphotohosting

theres what you need

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#5 (permalink) Old 11-10-2005, 12:38 AM
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yeah sure that engine ONLY has 55k on it!

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#6 (permalink) Old 11-10-2005, 03:26 PM
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Quote:
Originally Posted by spiff325is
you should do an M20 conversion.
Quote:
Originally Posted by 1985_318i
I'm planning on going with this over an M50 or S50 because of 1) gas mileage and 2) the price of parts (engine, trans, etc) for the conversion.
If I was doing an I6 it would be an M or S50. These are much stronger, allbeit more expensive, than the M20. But I want the M42 for the mileage, and price of the conversion, primarily.
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#7 (permalink) Old 11-11-2005, 09:04 AM
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Yeah, 300 sounds pretty good for a complete engine. I'd go for it!

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#8 (permalink) Old 11-11-2005, 05:16 PM
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it comes with a tranny too. (5 spd)

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#9 (permalink) Old 11-11-2005, 06:14 PM
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But the reserve is not yet met.
Plus I am currently $350 in debt for parts for this car to my dad.ghead

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#10 (permalink) Old 11-11-2005, 07:05 PM
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so make it 70

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