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  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi all, I would appreciate any help in finding a better auto trans for my 2003 330 touring m57n 204hp. My engine is remaped to 285hp/605nm. After looking all over the web I’ve realised there’s no hope to strengthen my GM 5L40. My GM trans is still working smooth and runs great, but I’m careful...