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Posted by DJ Vyb on September 16, 2000 at 17:49:41:

In Reply to: NEED TO MAKE M3 3.2LITER FASTER posted by Daniel Farrugia on September 16, 2000 at 14:48:03:

I'm not the expert on this stuff but have been learning quite a bit since my recent M3 purchase early this year. It really depends on what you want. I feel the best way to start is by allowing the engine to breathe more effectively.
The factory airbox restricts airflow to the engine therefore replacing it with a Cold Air Intake System is a good idea. This will enhance the sound of your car at high Rpms as well. A good idea is to get one with a heat shield that allows cooler air to go into the engine. I think you're looking at aorund 10+ HP with this system. In my research I found the best brands for this are Jim Conforti and ECIS. JC is a bit more expensive but has carbon fiber components which look a little sharper and blend with the rest of the hardware well. ECIS is very easy to install and uses the big colorful K&N filter which some people don't like the looks of. The JC system is far more costly though and comes with an ITG filter. They both work well alone or with other modifications.

The next thing I would recommend is either software reprogramming or exhaust. I would recommend the software upgrade because it is 1/2 the cost and does something a bit different. It remaps your fuel injection, removes your top speed limiter and raises your RPM redline. If you simply want higher top speed this is all you would need. The software upgrade greately improves your acceleration and "tunes" your engine for performance because you don't have to shift as early, thus gaining speed more rapidly. I'm not sure of the HP increase but by raising the redline you are definately increasing torque dramatically. It also removes the sluggish RPM spots in your acceleration. It is a smooth pull all the way up to redline rather than a strong pull only from 3,500-5,500 RPM. If your car is a later model I would recommend the Jim Conforti Shark Injector. THis allows you to simply plug it in and it automatically does it for you in 5 minutes. If you want warranty work done you can swap the setting back to original and back again unlimited times. The other option is to either have it reprogrammed by a local tuner, which are far and few, or mail in the hardware for reprogramming and not be able to drive your car until it is returned. Again Jim Conforti and also Dinan seem to be the leaders here.

The improved acceleration, high performance sound and higher HP from just the above mods are dramatic improvements to your all around performance.

The final recommendadion would be an exhaust upgrade. This enhances airflow out of the engine, reduces backflow and dramatically enhances the performance sound. Depending on your taste you could keep the factory sound or go for anything from a low rumble to a full on race car sound by the various exhausts on the market. There are many options here that simply depend on your taste and budget. There are only a few brands that I've seen recommended here such as BBTriflow, Burla, UUC, Active Autowerks.

Each of these enhancements slightly imrpove your gas mileage as well.

Enjoy!
V


I OWN A M3 WHITE COUPE IN MALTA AND I WOULD LIKE TO KNOW WHAT I CAN DO TO IT TO MAKE IT FASTER THANKS IN ADVANCE





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