11-14-2023, 10:52 AM | #24 |
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Exhaust Fumes in Cabin
What’s everyone’s experience/feedback on the subject concern?
Had a horrible experience with my last vehicle (2017 INFINITY Q60RS), which fully stock would gas inside the cabin. It was hell especially on longer drives. I don’t want mess with a near perfect car experience with my M340i if it puts me back in the same position. Are you guys driving fume-less, or are you tolerating a certain level of dirty air just to gain more performance? |
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11-14-2023, 11:14 AM | #25 | |
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Had them on my BMW's for yrs with no issues, no CEL, passes PA emissions, no smell
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12-01-2023, 06:14 PM | #27 |
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12-01-2023, 06:20 PM | #28 | |
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Also, what part of the exhaust did you hit with the rubber mallet? there’s no place to hit it directly towards the dp |
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12-01-2023, 06:37 PM | #29 |
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I connected to the exhaust then to turbo - I had issues with the smell initially, but then readjusted. I hit from farther back, the exhaust side by the nut
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12-02-2023, 05:59 AM | #30 |
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You need to get the exhaust pipe expander tool and use this on the mid pipe. harbor freight sells one for $30, make sure you get the one that says it can expand up to 3.5”.
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01-28-2024, 02:55 AM | #31 | |
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But I am start to worrying if I have a leak at the turbo end, how am I gonna remove the new Downpipe next time... |
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01-28-2024, 09:20 AM | #32 |
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Weird with these installation issues. I got a MAD 200cel downpipe on my M340ix, no issues. Did the entire install in a little over an hour. At home, on my own, no lift, just front wheels on ramps.
No issue with mid-pipe. Maybe I was lucky?? |
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01-28-2024, 09:58 AM | #33 | |
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What I determined was the angle of the downpipe where it mates to the mid pipe was not straight so they would not insert fully and obviously were out of insertion alignment. The fix was to loosen but not fully disconnect the V Clamp just so I could get more play from the downpipe. This way it would align with the mid pipe better. Insertion was virtually immediate. Then retightened starting back at the V Clamp. No leaks, no issues. |
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02-25-2024, 11:29 PM | #34 |
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Man I need to jack mine up higher for the install tomorrow night. Car was so low I could barely get the OEM cat out, I know it won’t be fun getting the new one in there.
I never took the airbox out, thinking I might at least take out the heat shield so I have more room to screw those 2 bolts on the mounting bracket |
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02-26-2024, 11:08 AM | #35 | |
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2014 435i xDrive M-Sport, Fabspeed cat, Active Autowerke axle back, CTS Turbo intake, ER charge pipe, ER Competition Intercooler, MHD Tuning Stage 2+
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04-11-2024, 05:24 PM | #36 |
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Thanks for all the tips guys. Going to try and install an evolution raceworks downpipe tomorrow. I’ve done a vrsf downpipe on my 435i 3 times. Hopefully this will go smoothly.
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04-11-2024, 08:13 PM | #37 | |
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It was quite easy, very easy actually. Easier than I expected. |
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04-12-2024, 12:11 PM | #38 |
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Good luck
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04-12-2024, 06:57 PM | #39 |
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Installed today. Sounds amazing with a nice bump in power.
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04-12-2024, 10:16 PM | #40 |
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I've just received my AA catted downpipe and I'm planning to install it myself over the weekend. I'm curious if you have any tips to ensure a smoother and easier installation process. Additionally, I'm wondering if there is enough clearance to remove the downpipe with jack stands or ramps. What height of jack stands do you recommend for this task? Thanks in advance for any advice!
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04-13-2024, 10:31 AM | #41 | |
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04-13-2024, 11:40 AM | #42 |
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Nice! glad you like it
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04-13-2024, 11:49 AM | #43 | |
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