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Old 12-05-2012, 06:35 AM
Braumin Braumin is offline
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Location: SK, Canada
Join Date: Oct 2012
Posts: 41
Mein Auto: 2009 335i xDrive Sedan
Back when I was an automotive tech, we used to have an intake cleaning kit that we could run on a car. You mounted a sprayer over the throttle body and injected over about 20 - 30 minutes a cleaning solution mist while the engine was running. It was similar to this: Similar but it was a professional rig and not this hokey spray can. It really did a great job especially with the port fuel injection cars since no fuel would flow through the intake manifold.

Now I don't believe this would clean the valves once they are sufficiently dirty, but does anyone (DSXMachina for instance since he seems to have a lot of knowledge on this subject) know if this would be a good preventative measure? I'd have no problems running this every 30,000km or something. It wasn't overly expensive and was similar in price to a fuel injector cleaning.
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