Quote:
Originally Posted by joshuo
It looks intimidating at first, but it's not that bad actually. I actually took off the entire HVAC cowl, engine cover and air intake to get to the manifold nipple.
Meth is not unlike having a nitrous setup. It injects a water/methanol mixture into the engine. Its primary function is to make more power for a brief amount of time. As a side effect, the intake valves get hit with the mixture and this cleans them somewhat. However, meth will not clean the exhaust valves, and it's not something you'll benefit from if you're not already substantially modified.
hope that helps!
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Well, I could take it to a bmw shop(non dealership) and let them know the procedures and maybe they'll automatically know how to do it. Either way, did you notice any difference in the car's performance? Thank's a lot for the info btw.