Exhaust seems a bit 'raspy' when cold

deanobeano · 19-07-2013, 11:41 AM

Standard exhaust - seems to be noisier of late. Only happens when cold. When warm it turns into its former self...

I would describe the noise as a bit more rasp (this is at low revs, just pulling away from home) and I suppose a bit of rattle.

Will be booking a trip to Elms post Donnington so will get Gareth to look at it, but if you have any suggestions.

Thanks

benfj180 · 19-07-2013, 12:16 PM

i have exactly the same issue! i would describe it as a little rattly too?

anyone know why?

its weird as once warm it completely goes away!

thegingerninja · 19-07-2013, 01:36 PM

They all do it. Probably a bit of over fuelling when cold and I think I read somewhere that there is ERG type of system used when the engine is cold?? The primate will soon chip in.

**DazBlackCSL** · 19-07-2013, 05:22 PM

^ they all do it

3wheels3 · 19-07-2013, 05:23 PM

Ok for some reason I always thought it was thinner exhaust! But they all do it I think.

Neil M · 19-07-2013, 05:36 PM

Suffering from Hey Fever with the high pollen count!

**Mike R** · 19-07-2013, 05:52 PM

You should hear what it sounds like with the Supersprint "Race" back-box - it sounds REALLY basey from cold - so much so that it rattles our house windows (so my other half says) and hurts my ears inside the car until it has warmed up

.

19-07-2013, 11:41 AM	#1
deanobeano S5 - Full Throttle Join Date: Mar 2013 Location: Midlands Posts: 310 Casino cash: $3117	Exhaust seems a bit 'raspy' when cold Standard exhaust - seems to be noisier of late. Only happens when cold. When warm it turns into its former self... I would describe the noise as a bit more rasp (this is at low revs, just pulling away from home) and I suppose a bit of rattle. Will be booking a trip to Elms post Donnington so will get Gareth to look at it, but if you have any suggestions. Thanks

19-07-2013, 01:36 PM	#3
thegingerninja S5 - Full Throttle Join Date: Apr 2008 Location: Cheshire Posts: 370 Casino cash: $4367	They all do it. Probably a bit of over fuelling when cold and I think I read somewhere that there is ERG type of system used when the engine is cold?? The primate will soon chip in. __________________ Get out of the fucking middle lane! ...and turn off your sodding fog lights too!

19-07-2013, 05:22 PM	#4
DazBlackCSL CSL Register Uber-poster! Join Date: Apr 2008 Location: Shaboogling Posts: 7,199 Casino cash: $28478	^ they all do it __________________ CSL Register Lifestyle Coach and Social Secretary

19-07-2013, 05:36 PM	#6
Neil M Driving it like I nicked it Join Date: Jan 2012 Location: Manchester Posts: 2,340 Casino cash: $19143	Suffering from Hey Fever with the high pollen count! __________________ “With the CSL, BMW have achieved The Ultimate Driving Machine” SG CSL '051'

19-07-2013, 05:52 PM	#7
Mike R S6, Sport On, Traction Off Join Date: Dec 2010 Location: Norwich Posts: 1,585 Casino cash: $17591	You should hear what it sounds like with the Supersprint "Race" back-box - it sounds REALLY basey from cold - so much so that it rattles our house windows (so my other half says) and hurts my ears inside the car until it has warmed up . __________________ Mike R Sarcasm is just a free service I provide. Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right . CSL number 044

19-07-2013, 12:16 PM	#2
benfj180 S3 - On the open road Join Date: Mar 2013 Posts: 114 Casino cash: $3139	i have exactly the same issue! i would describe it as a little rattly too? anyone know why? its weird as once warm it completely goes away!

19-07-2013, 05:23 PM	#5
3wheels3 S5, Sport Off, DSC M-track Join Date: Jun 2008 Posts: 773 Casino cash: $21189	Ok for some reason I always thought it was thinner exhaust! But they all do it I think.

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