Quote:
Originally Posted by Nivolk
How is Mazda's direct injection tech? Has the tech matured enough that the carbon buildup BMW / Audi / VW, etc have had issues are now a thing of the past?
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We'll see how this issue plays out. Mazda, BMW, and VW have all changed DI designs very recently. Mazda switched to a different piston and injector design (multi hole injector instead of swirl injector, while adding a piston bowl). BMW switched from piezoelectric to multi-hole solenoid injectors. VW is adding port (like on the BRZ FA engine) injection to their newest EA888 series engine soon (a 1.8 and presumably a 2.0 will come out as well). I have documentation which explains all this...