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Old 10-10-2005, 02:03 PM   #1
Xtremery
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Rebuilding a 318IS motor



If I was to get my motor rebuilt, and was able to supply all the parts what kind of labour would I be looking at? anyone have a good referance of someone who rebuilds these motors? I have a 1991 318IS.

Thanks guys.
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Old 10-10-2005, 02:07 PM   #2
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He might bea bit far from you(mississauga), but Charlie is good. Honestly, I would say its not worth rebuilding a 1.8. Just put another one in there, or an m20.
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Old 10-10-2005, 02:09 PM   #3
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24v swap. Unless you're Ryan.
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Old 10-10-2005, 02:26 PM   #4
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Quote:
Originally Posted by Xtremery
and was able to supply all the parts

Thanks guys.
supply parts like what?
its all labour, all the parts are small. Mostly gaskets, bearings, machining, new valves, rockers, etc.
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Old 10-10-2005, 08:04 PM   #5
Xtremery
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Quote:
Originally Posted by Axxe
24v swap. Unless you're Ryan.
how did you know it was me? lol who are you?

Thanks for the info guys.
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Old 10-10-2005, 09:07 PM   #6
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lol, you're name is ryan? Coincidence. Ryan AKA Slowered318 is rebuilding/has rebuilt his M42.
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Old 10-12-2005, 02:52 AM   #7
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Ryan.. You ready for the cold hard truth? Speaking from experience here.

A. All of it depends on how extensivly you want to go.. Dropping in another M42 from another beat up car will not solve any problems IMO. If your going to rebuild the motor you should go over it with a fine tooth comb and replace anything suspect of being worn, cause in the end you DON't want to have to take it apart again it's too costly.

B. Buying typical parts such as gaskets, hoses, piston rings, timing chain, spark plugs are easy to find and relatively cheap. The money lyes in the pistons, machine work, sensors, sprockets, and expecailly the head. you can spend $1000 alone on parts for the head and they are very hard to find aftermarket and sometime even OEM.

C. Cost on a Full rebuild will be well and above $4000, you can knock that down to $3500 by parts hunting for the next year and doing some of the work yourself. And maybe even down to $3000 if you cut corners. But be warned, it will be a pain if you have to pull the motor apart again (speaking from experience)

D. Don't listen to these haters.. the M42 is a nice motor when its in tip top shape and running strong, it makes plenty of power but it's very rare that they are in that condition 15 years old. These engines also have a lot of technology and updates compaired to the M20, they are fairly advanced and very efficiant. Don't get all excited about performance parts.. they don't make any worth the money for the M42 unless you wanna go full out with a costom turbo setup. I have not found any clever tricks to imporve this motor, even though i did look high and low it's very hard to improve on the design.

Easy as ABCD

Good luck,
Ryan

Last edited by Slowered318; 10-12-2005 at 03:34 AM.
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Old 10-12-2005, 03:01 AM   #8
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PS. Do it right.. do it once! Have an expert go over everything in the engine, someone you can trust won't turn his back on you. Make shure you have a very clean place to re-assemble, dirt and metal shavings will destroy all your hard work and money if left inside.

Key parts to replace are: Valve Lifters, valve seals and guides, timing chain sprockets, chain guides and tensioner, pistons (they wear easly), Main bearings, ignition coils and wires, Throttle position sensor, injector seals, water pump, all hoses and gaskets (these engines don't like leaks) A Mark D. chip and high octane and your set


Last edited by Slowered318; 10-12-2005 at 03:26 AM.
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Old 11-11-2005, 12:23 AM   #9
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i got a stock 91 318is(not stock for long) and its good to see that there are some belivers in first of all the m42 and 4cyl engines period.....and slowered u have offically become my role model wen it comes adding peformance parts to the m42..
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Old 11-11-2005, 01:01 AM   #10
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You guys, with the m42 motors, you ROCK!!!!!!!!!!keep it up...............
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Old 11-11-2005, 01:35 AM   #11
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Quote:
Originally Posted by Slowered318
D. Don't listen to these haters.. the M42 is a nice motor when its in tip top shape and running strong, it makes plenty of power but it's very rare that they are in that condition 15 years old. These engines also have a lot of technology and updates compaired to the M20, they are fairly advanced and very efficiant. Don't get all excited about performance parts.. they don't make any worth the money for the M42 unless you wanna go full out with a costom turbo setup. I have not found any clever tricks to imporve this motor, even though i did look high and low it's very hard to improve on the design.

Easy as ABCD

Good luck,
Ryan
I was one of them before i had my 318i and 318is...they are fun to drive and pull strong for a 1.8
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Old 11-11-2005, 10:33 PM   #12
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I can sell you cheap complete engine/tranny and all accesories.P.M. me if you are interested.
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