what is the drivetrain loss for our cars?

sleepy_bimmer · 07-14-2009, 08:32 PM

hi guys, i just got hold of 07 335i and i would like to know whats the drivetrain loss for my car and for the awd 335xi ? This is my first bmw, thanks

blue2fire · 07-14-2009, 08:50 PM

I would figure 15% for RWD and 20% for the AWD System. Probably cannot predict accurately as it isn't linear through the rev range but i believe it is that much of a loss at the peak.

Somebody correct me if this is wrong.

sleepy_bimmer · 07-14-2009, 09:15 PM

not bad, do you happen to know how much HP each puts down to the wheel stock ?

Army X5 S5 · 07-17-2009, 02:25 PM

Stupid noob question... You've answered what the drive train loss is for AT and MT, but does that take into account the use of DTC / DSC? Probably doesn't affect those Percentages too much but was just curious...

hanmaas · 07-18-2009, 08:19 AM

Quote:

Originally Posted by Army335xi

You've answered what the drive train loss is for AT and MT, but does that take into account the use of DTC / DSC?

You have 100% loss in the moments when DSC kicks in.

07-14-2009, 08:32 PM	#1
sleepy_bimmer Private Drives: bmw 335i sedan Join Date: Jul 2009 Location: philadelphia Posts: 58 iTrader: (0)	what is the drivetrain loss for our cars? hi guys, i just got hold of 07 335i and i would like to know whats the drivetrain loss for my car and for the awd 335xi ? This is my first bmw, thanks
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07-17-2009, 02:25 PM	#4
Army X5 S5 Lieutenant Colonel Drives: '11 X5 35i / '13 S5 Join Date: Jun 2009 Location: Deployed to Kuwait Posts: 1,752 iTrader: (2)	Stupid noob question... You've answered what the drive train loss is for AT and MT, but does that take into account the use of DTC / DSC? Probably doesn't affect those Percentages too much but was just curious... __________________ BMW X5 35i: Boopie Exhaust, Boopie Intercooler, K&N Drop in Filter... Audi S5 2013 (Delivery Sept 2013): Mods pending review

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07-14-2009, 09:15 PM	#3
sleepy_bimmer Private Drives: bmw 335i sedan Join Date: Jul 2009 Location: philadelphia Posts: 58 iTrader: (0)	not bad, do you happen to know how much HP each puts down to the wheel stock ?