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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications 2021 M340i "mild hybrid" w/AA Catted Downpipe?

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      08-05-2021, 08:12 PM   #23
qballis
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Quote:
Originally Posted by GD1981 View Post
Here is a vid with revs:

Sounds good thanks! Still missing the burble the 2020 had sadly. I ordered my AA DP a few weeks ago now and was just told it won't be shipped until late august.
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      08-05-2021, 09:11 PM   #24
GD1981
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Originally Posted by qballis View Post
Sounds good thanks! Still missing the burble the 2020 had sadly. I ordered my AA DP a few weeks ago now and was just told it won't be shipped until late august.
Plenty of burbles while in Drive, but yea if your revving it in Park, the burbles are absent.
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      08-06-2021, 09:31 AM   #25
NickNy
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Originally Posted by NoVaRob21 View Post
Any problems with the sensors or throwing codes with a catted down pipe (likely O2 I'd assume)? A little more sound and performance sounds awesome, but constantly dealing with a code sounds like a pain.
I have the AA catted downpipe and MPE installed for a few months and have 0 codes, lights or problems. And it sounds amazing
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      08-06-2021, 04:02 PM   #26
NoVaRob21
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Quote:
Originally Posted by NickNy View Post
I have the AA catted downpipe and MPE installed for a few months and have 0 codes, lights or problems. And it sounds amazing
Good to know, can you give any insight on what the install cost you?
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      08-06-2021, 04:05 PM   #27
NickNy
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Quote:
Originally Posted by NoVaRob21 View Post
Quote:
Originally Posted by NickNy View Post
I have the AA catted downpipe and MPE installed for a few months and have 0 codes, lights or problems. And it sounds amazing
Good to know, can you give any insight on what the install cost you?
I did it myself, pulled up on some rhino Ramps, loosened the rear 2 exhaust bolts for some wiggle room and unbolted everything. It was a bitch getting it out from under the car but if you have 2 people it's muuuch easier.

Probably 1.5 to 2 hours labor if a shop does it for you
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      08-16-2021, 10:00 AM   #28
g20_project
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Quote:
Originally Posted by GD1981 View Post
2021 MPE + AA catted Dp


Did you tune the car too after installing the dp?
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      08-16-2021, 10:16 PM   #29
GD1981
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Originally Posted by g20_project View Post
Did you tune the car too after installing the dp?
I already had JB4 installed. I’m running Map 5 + E30; car is running extremely strong.
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