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2Addicts | BMW 2-Series forum Technical Topics B58 (M240i) Engine, Transmission, Exhaust, Tuning M Performance Exhaust Options

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      11-11-2020, 06:42 AM   #1
BS75
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M Performance Exhaust Options

Hi, new user here. Sorry if this has been asked before (I did search, I promise) but can anyone explain what the difference is between the M Performance Exhausts offered by BMW?

On the official site there are the following listed:

1)
Part number 18302424608
Made of Inconel (a chrome and nickel super alloy), 40% lighter than original system, rich sound with less back pressure, and titanium double tailpipes.

2)
Part number 18302354362
Stainless steel system, transforms the vehicle's sound into a unique audio experience.
Part number 18302355889
Carbon fibre tailpipe trim.


The two options have very similar costs and I don't care what my exhaust tips look like. What I really want to know is how they compare for power improvements and most importantly, sound. (My car is a brand new M240i coupe).
Any thoughts?
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      11-11-2020, 07:26 AM   #2
dradernh
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Quote:
Originally Posted by BS75 View Post
Hi, new user here. Sorry if this has been asked before (I did search, I promise) but can anyone explain what the difference is between the M Performance Exhausts offered by BMW?

On the official site there are the following listed:

1)
Part number 18302424608
Made of Inconel (a chrome and nickel super alloy), 40% lighter than original system, rich sound with less back pressure, and titanium double tailpipes.

2)
Part number 18302354362
Stainless steel system, transforms the vehicle's sound into a unique audio experience.
Part number 18302355889
Carbon fibre tailpipe trim.


The two options have very similar costs and I don't care what my exhaust tips look like. What I really want to know is how they compare for power improvements and most importantly, sound. (My car is a brand new M240i coupe).
Any thoughts?
A quick perusal of realoem.com and getbmwparts.com shows that the first silencer is indeed an M240i part and that it's made of stainless steel. Those sites show that the second silencer is for an F10 535i.

It may be that in the UK you have silencers available to you that are not on offer over here; e.g., this would be the first I've heard of an Inconel exhaust part for our cars.
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      11-11-2020, 07:36 AM   #3
BS75
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Thanks for the quick reply! Must be a market difference - screenshots below.

I would definitely like one or the other, but I'd love to know if anyone has any experience on the differences between them before I resort to picking one with a coin flip..!
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