Idle Question (328i)

G328i · 11-22-2009, 08:43 PM

Whats up guys? I know there is another thread on an idle issue, but this is different. Sometimes when I pull up to a stoplight in my car and I throw it into neutral(6MT), the revs drop down to almost stalling the car, but I can feel the engine blip itself back up to normal idle. The car (08 328i) runs fine and I only have 4500 miles on the thing, so im thinking that mayby this isnt a big issue? Any answers would be really appreciated! Thanks

jopa489 · 11-22-2009, 08:56 PM

Idle can vary slightly depending on engine temperature, ambient temperatures, and fuel (among other things). It seems most 328's idle around 550-600 RPM once warmed up completely. I've seen plenty of other BMWs adjust the idle speed while stopped as you're describing, so it's not completely abnormal.

So in short, don't worry about it. But the dealer can bump your idle up just a bit (to 700-750 revs) if you're concerned. Some others here have had that done, I've never noticed this even slightly on my car so far after 17k miles.

G328i · 11-22-2009, 09:07 PM

Thank you! I was pretty sure its nothing serious but I just wanted to be certian that its ok!

Thanks again!

max_asdf · 11-22-2009, 10:14 PM

ive had mine bumped by dealership to 750, but it has since fell back down to 600 and i am getting rumblings from steering again.

any reason for the idle drop if nothing has changed? outside temperature?

11-22-2009, 08:43 PM	#1
G328i Access to any Bimmer 23 Rep 136 Posts Drives: 2015 328i MSport Join Date: Jul 2009 Location: Rockland NY iTrader: (0)	Idle Question (328i) Whats up guys? I know there is another thread on an idle issue, but this is different. Sometimes when I pull up to a stoplight in my car and I throw it into neutral(6MT), the revs drop down to almost stalling the car, but I can feel the engine blip itself back up to normal idle. The car (08 328i) runs fine and I only have 4500 miles on the thing, so im thinking that mayby this isnt a big issue? Any answers would be really appreciated! Thanks __________________ 2015 MR 328i ZMP 6MT 2013 JB Z428si 6MT 2010 R56 Mini Cooper S 2008 BSM 328i ZSP 6MT
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11-22-2009, 08:56 PM	#2
jopa489 Major General 122 Rep 6,594 Posts Drives: Anything with Wheels Join Date: Mar 2009 Location: USA iTrader: (9)	Idle can vary slightly depending on engine temperature, ambient temperatures, and fuel (among other things). It seems most 328's idle around 550-600 RPM once warmed up completely. I've seen plenty of other BMWs adjust the idle speed while stopped as you're describing, so it's not completely abnormal. So in short, don't worry about it. But the dealer can bump your idle up just a bit (to 700-750 revs) if you're concerned. Some others here have had that done, I've never noticed this even slightly on my car so far after 17k miles. __________________ X7 LCI // Incoming C7 ZR1 ZTK // Sebring + TRX // Hydro + Raptor Gen1 Roush // Tuxedo
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11-22-2009, 09:07 PM	#3
G328i Access to any Bimmer 23 Rep 136 Posts Drives: 2015 328i MSport Join Date: Jul 2009 Location: Rockland NY iTrader: (0)	Thank you! I was pretty sure its nothing serious but I just wanted to be certian that its ok! Thanks again! __________________ 2015 MR 328i ZMP 6MT 2013 JB Z428si 6MT 2010 R56 Mini Cooper S 2008 BSM 328i ZSP 6MT
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11-22-2009, 10:14 PM	#4
max_asdf Private First Class 22 Rep 176 Posts Drives: e90 Join Date: Sep 2009 Location: ca iTrader: (1)	ive had mine bumped by dealership to 750, but it has since fell back down to 600 and i am getting rumblings from steering again. any reason for the idle drop if nothing has changed? outside temperature?
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