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Discussion Starter · #1 ·
This is what I've found that's available now. All claim performance boost (HP/TRQ) except Dinan.

Autothority Software
http://www.autothority.com/news/e46_m3.htm

Dinan Software
http://www.dinanbmw.com/whatsnew.html#32

HS Software
http://www.hs-elektronik.com/datenb...43ps-365nm.html

ES-Tuning
http://www.es-tuning.org/bmw.htm

ESS Tuning
http://www.esstuning.com/bmw_na.html

Bavarian Autosport
http://www.bavauto.com/shop.asp
http://www.bavauto.com/assets/imgli...6500r-e46m3.jpg

ASEChips
http://www.asechips.com/Recuadro ...E46 3.2L.html

PowerChip
http://www.powerchipgroup.com/inter...asp?pid=Bmw0088

Anyone have any of these? I know some have the Dinan.. ASEChips/AA/HS claims the biggest gains..
 

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Discussion Starter · #3 ·
Yeah.. the Bav Auto is $2.5K!! That's crazy.. I think vendors think they can jack up the price on any components for the M3 because it's an M3 buyer..

Look at the GruppeM Intake? It's $1495 dollars compared to $695 for a 330. I know there's extra cost for the throttle body connection to the intake plenum but that's a serious cost increase.

Generally, they are probably taking a higher MARGIN % for the M3 vs 330 line.
 

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Any of them offer to cover warranty issues like Dinan? Dinan has drawbacks to be sure, but nothing like the drawback of a blown motor and no warranty!
 

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txe46m3 said:
Any of them offer to cover warranty issues like Dinan? Dinan has drawbacks to be sure, but nothing like the drawback of a blown motor and no warranty!

Blown Motor + NO Warranty + NO Horsepower gain - $$$ = Idiot Born everyday
 

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The gruppem intake for the m3 is a lot different then the one for the regular e46. It covers a much bigger area. I do agree with you though that most stuff for the m3 is priced way too high.
 

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Thanks for putting this list together. this is a very helpful resource which I plan on using once my car exceeds the 3100 mile mark. I'm currently at around 880.
 

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Discussion Starter · #9 ·
maynardc said:
Thanks for putting this list together. this is a very helpful resource which I plan on using once my car exceeds the 3100 mile mark. I'm currently at around 880.
No Problem!! :thumbup: I had this list for awhile in my Project sheet but I figured I'd share it with you all.. :)
 

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Discussion Starter · #10 ·
gluebottle said:



Blown Motor + NO Warranty + NO Horsepower gain - $$$ = Idiot Born everyday
I think there's a confusion here.. I think his post was talking about "exploded" motor VS FI Motor..

All these are software upgrades. Autothority has a good reputation. ESSTUNING is known for optimizing the OBDII for the E46 (especially w/ their SC).

Dinan seems like a waste since there's no added HP but only better Throttle Response. They do however give you a money back guarantee and it's covered under their warranty (supplemental).

I have no info on PowerChip or ASE or HS.
 
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