I'm kind of interested in what the ceiling will be on these engines. Having owned a few VAG 1.8Ts and 2.0Ts with their iron blocks, 300+ lb-ft and reliability went hand in hand. This new BMW engine with its aluminum block worries me a bit on that front. I'm sure the tuners will do some reliability testing albeit nothing as extensive as a manufacturer would perform BUT I'm thinking that these "mild" tunes we are probably going to be it for this engine. I'm interested in the car for much more than power potential of course (fuel economy and handling top the list) but I don't think I'd be comfortable pushing this engine very far. Anyone have any thoughts?
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