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Message: <blockquote data-quote="MrSmith" data-source="post: 17497" data-attributes="member: 18053"><p>I'm a newbie here n i need some advice in my plan upgrade for my car. Currently running on a 94' 325i engine for already 5y. I plan for an overhaul soo...i guess might as well upgrade it to 2.8L. I've searched the forum for some answers n here's my option -  1 - stroke it to 2.8L - which requires pistons, cams, n ?? cylinder head as well?? anything else?? 2 - buy a half cut M52B28 and plonk it in ?? 3 - overhaul the 2.5L n keep it ----> booriiingI'v asked my mech bout my plans n he said he has the 2.8L pistons n cams from his prev e46 n willing to let it go to me for a discount. But he says that since his was a double vanos cant use my cylinder head???.... i'm confused. He asked me to look for it my self or he can find it for me. Also ased a fren of mine bout it n he says i need to change the ECU n injectors too?? cause he did it in his e30 upgrade from 2.0 to 2.5LSooo.. wat i wanna know which is true???..... and which is more cost effective n also faster to do as i'm using my car as a daily transport.Thx guys</p></blockquote><p></p>