I was curious how the APR Stage I S4 (B5) compares to the E46 M3 in acceleration. I believe the stage I upgrade gives 320 - 330bhp and about 390 ft/lbs, so it seems as though it should be able to hang with an M3 just based on the sheer power figures. Also, I believe that stage II is only a minor power increase from stage I, so if anyone has owned a stage I or II and knows how it compares to the E46 M3 performance-wise, your input would be greatly appreciated.

i think the audi will take the m3 in acceleration

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e46 has 330 hp 295 ftlb right?
im not sure what the APR kit includes, but based on stock turbos i would say pretty even
if it includes larger turbos i would say the s4 by a bit

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Originally Posted by Skyline_BNR34
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Any idea on 1/4 mile times? because I know a stock E46 M3 does it in 13.1-13.3 pretty consistantly, especially with launch control & SMG.

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///M Power

2002 E46 M3
Carbon Black
SMG
Full Dinan S2 Package
CSL Spoiler & Rear Diffuser
Diamond Black BBS RGR 18x8.5 Wheels

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well, i've heard of APR stage II+ S4s (which is equivalent to stage I except for the addition of a full turboback exhaust) running high 12's, so I would imagine the stage I would only be slightly slower.

Also, I'm pretty sure that the S4 will take the M3 from stop light to stop light simply because there is so much low end torque and because the S4 may be easier to launch than the M3 (at least for average drivers). I'm not sure though if the audi can take the M3 at triple digit speeds.