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Originally Posted by ArmyBimmerDude
Wow, that's a really intelligent post. Didnt know that about the new rating.
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no, no it wasnt
Quote:
Originally Posted by Jeeves915
Also, take into account that the 335i is rated using the NEW SAE engine output measuring system. Now, I'm no engineer (nor do I play one on TV), but, from my understanding, this system takes into account the engine accessories (alternator, A/C Compressor, and a few other whosits and whatsits.)
As a rough comparison the difference between the "new" SAE spec, and the old one is 10%. This means that if your engine was measured using the old system, you'd be pulling around 330hp, at the crank (M3 territory, which makes me happy).
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do NOT do something stupid like compare new SAE corrected numbers to old ones by adding 10%, thats just dumb, some engines GAINED HP with the new rating procedure, SAE has ALWAYS taken into account all the crap on your car, that was the whole point, the only thing it doesnt include is driveline