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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications 2021 M340i Catted DP Install

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      04-12-2024, 02:12 PM   #1
Randy Johnson
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I installed my Evolution Raceworks catted DP today at home with ramps. I bought the dp from M3_V8_PWR new never installed for a great price. I also used a jack to lift the car higher when needed. Disassembly was not that bad. Had issues with frozen (stuck) v-band clamp and the exhaust clamp. Alignment of ER dp was a pain in the ass. Also getting the exhaust on the new dp as interesting. Definitely flair your exhaust pipe before install. I had to beat it on. Install took about 2 1/2 hours due to stuck clamps and tight fit. Well worth the trouble. Sound is amazing. Car feels noticeably torquier. Here are some pics and vid.



https://youtu.be/17zIpMVPMLU
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      04-12-2024, 03:58 PM   #2
AM340iMiami
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Sounds good.
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      04-13-2024, 11:41 AM   #3
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      04-16-2024, 12:16 PM   #4
Randy Johnson
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Just a little update. I got a check engine light after about 50 miles. Doesn’t seem to affect performance or anything.
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      04-17-2024, 10:23 AM   #5
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Quote:
Originally Posted by Randy Johnson View Post
Just a little update. I got a check engine light after about 50 miles. Doesn’t seem to affect performance or anything.
As expected unfortunately
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