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  1. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi. i am new to bmw ownership (audi before) i have recently purchaced a 54reg 320cd coupe. 47k miles. full bmw SH. and i am having trouble with engine performance? car drives ok up to 3500 rpm then hesitates and trys to go again (like an on/off switch) no power after that. have changed the usual...