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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}

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Old Tue, Feb-26-2019, 03:42:06 PM   #1
Captain Kirk
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Default Another boosted 335i or an M3

I'm at a place where I need to make a decision and it boils down to reliability. I am not a BMW mechanic but I can stumble through most things if there is a YouTube to point the way. I am comparing buying another 335i vs an M3. It doesn't take much to do the cat-less downpipe/JB4/coil over/exhaust mods and I can have equal power on a one owner car that has 25K miles, but this option enhances the BMW which is already a code throwing monster.

OR, I can spend $10K more and find a mid-40K mile car that has likely seen more than one owner, get the rod bolts/bearings done, fix the vanos as well, and have a bone stock M3 and be happy. What I don't know is this - is the M3 just as much a code throwing monster? The 335i makes better power down low and is fairly reliable between 20K miles and 80k miles, then it's time for some expensive gasket replacement and a few other things, but the large items are stable. If I go with an M3 6-Speed, that removes the horror of the DCT and aside from the two items I've already mentioned, in stock form, is it fairly reliable?

I'm genuinely asking for some solid perspective. I've already got the BMW needle in my arm so please don't tell me to go buy a Toyota. I get the brand to some degree and know I am signing up for a lot more than if I were to buy a mainstream vehicle. Help me understand the E92 M3 please.
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Discussing Another boosted 335i or an M3 in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)