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I did a lot of research and............ (archive)

[ Follow Ups ] [ 2002 Message Board ] [ Msg. Board FAQ ]

Posted by Colin on July 01, 2001 at 09:56:23:

In Reply to: m3 pros and cons posted by mhorsey on June 30, 2001 at 20:10:24:

The M3 motor goes into the 2002 relatively easily, since it uses the same block as the '02 motor. The obstacle is that all S14 M3 motors are at least 10 years old by now and most have been run hard. If you are lucky, you can get a decent motor for $6000 with harness, brain, etc. You will then have to install a bigger radiator, custom exhaust system, relocate the battery to the trunk, fabricate a custom air filter, throttle cable, etc. In other words, there are lots of little details to work out, and if you can't work them out yourself, you have to pay someone $$ to do it for you. Once you have your 190hp M3 engine, you are going to have to upgrade your brakes, tires, etc. to make the car safe to drive fast. The costs add up real fast, and $10,000 for the whole project is not out of line. The pros are that the M3 motor is not stressed at all making 190HP, and it's a modern, fuel injected engine that always starts and runs the same. Since you are in Cali, you are limited in what you can do to your 2002 engine to get more power out of it, which is a shame, because a conservatively modified 2002 motor can make 150HP for a tiny fraction of the cost of the M3 conversion, and a 150HP 2002 is a quick little car. Another alternative is to install an M20 small six from a 325i. This swap is more invloved and difficult than the M3 swap, but engines are much more plentiful, and a good one goes for about $1000 complete. HTH

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