Quote:
Originally Posted by SpaceHorsey
When does it open? When the car is up to temperature?
Cozy I did that on my driveway, put it into sport plus and unplugged it.
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You have to unplug it when the valve is actually open. You can clearly see it on the left tailpipe, this image shows it:
And here's the look from underneath:
Quote:
Originally Posted by svenj
So as a newbie, wondered what this post was all about.
A quick Google and loads and loads of posts found ..... now I'm enlightened ..... slightly louder exhaust note below 3000 rpm with lots of debate about impact on mpg, power etc etc
I'd be interested to try this when I get my 340i in March. Once I've got the car, I'd be grateful for a bit more info on where/what to unplug and anything I'd need to do ... eg what to do with the unplugged cable ?
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I'd be very surprised if it does anything other than make a bit more noise. Basically makes it sound more purposeful in comfort mode and ensures at low RPMs in sport mode that it continues. BTW, the exhaust/engine does something else in sports mode too - it's noticeably more loud and 'burbly', it's not just the exhaust valve at the back that causes the differences between comfort and sport.