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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > what happened to my 15hp?



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      03-01-2013, 08:50 PM   #45
mblaucoupe135
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Quote:
Originally Posted by CenCal 335is
In my manual its on Page 246 under the reference section towards the back. My car was purchased in August of 2010 built in July. It could be that they later revised the manual (in fact I just went to BMW's website and downloaded the manual for my car and it does not have the engine data section in it).
Thanks for the info. I checked my manual again and the engine info isn't included in the reference section, so they must've removed it. Btw, my car was built in June 2012. So now I'm really wondering does my car actually have 335hp, but they didn't want to publish that number cause it would be the same as the 1m. Or was it a mistake in your manual.
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      03-01-2013, 10:54 PM   #46
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I think it's just marketing BS to have some separation from the M3. Unlike the 335is, the Z4 and the 1M do not have a car that is higher up in the series that needs to be protected.

I find it hard to believe that there could be anything more than minimal differences in hp between the 3 when all the significant specs are exactly the same - peak torque@rpm, torque@overboost, boost/overboost psi, max rpm etc., etc., Also I've seen dyno readings for all three vary anywhere from 280 hp to 320 wheel hp. Significantly the 1/4 mile trap speed for all three cars is in the 108/109 mph range even though the 1M should/will likely have an advantage with it lighter weight and the M locking diff which may give it a better launch.

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      03-01-2013, 11:06 PM   #47
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The 2011 manual that you can still download from the BMW USA site has the 335is' horsepower listed as 335, but the 2012 version of the same has it as 320...perhaps someone noticed that it was contradicting the marketing material and corrected it. Go figure...

At the end of the day...who cares...the car looks stunning, is a hoot to drive and sounds like it's a bit psycho. For the daily driver that my car is, I would much rather have the 335is than either the Z4is or the 1M.
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      03-02-2013, 10:52 AM   #48
mblaucoupe135
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Quote:
Originally Posted by PKizzle
I think it's just marketing BS to have some separation from the M3. Unlike the 335is, the Z4 and the 1M do not have a car that is higher up in the series that needs to be protected.

I find it hard to believe that there could be anything more than minimal differences in hp between the 3 when all the significant specs are exactly the same - peak torque@rpm, torque@overboost, boost/overboost psi, max rpm etc., etc., Also I've seen dyno readings for all three vary anywhere from 280 hp to 320 wheel hp. Significantly the 1/4 mile trap speed for all three cars is in the 108/109 mph range even though the 1M should/will likely have an advantage with it lighter weight and the M locking diff which may give it a better launch.
Yeah you make some good points here.
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      03-02-2013, 10:54 AM   #49
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Quote:
Originally Posted by PKizzle
The 2011 manual that you can still download from the BMW USA site has the 335is' horsepower listed as 335, but the 2012 version of the same has it as 320...perhaps someone noticed that it was contradicting the marketing material and corrected it. Go figure...

At the end of the day...who cares...the car looks stunning, is a hoot to drive and sounds like it's a bit psycho. For the daily driver that my car is, I would much rather have the 335is than either the Z4is or the 1M.
Yeah you are right.

The other interesting thing is that the 2011 manual says nothing about the overboost feature, but the 2012 manual does mention it.
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      03-02-2013, 12:18 PM   #50
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All I know is I found 20hp when I added my PPK.
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