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XBimmers | BMW X3 Forum • X4 M40i *Only* Catless Downpipe + H&R Springs |
07-27-2018, 10:49 AM | #1 |
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X4 M40i *Only* Catless Downpipe + H&R Springs
Selling my H&R Springs $150 + shipping + Selling a new Catless Downpipe only fits X4 M40i not X3 35i or X4 35i (those are PWG and use a smaller diameter) The downpipe quality is amazing full 4" when compared to a friends similar engine pipe from another manufacturer his was so skinny it explained why my car sounded so much better. Couple of friends with X4 M40i already running this prototype as well that CTS Turbo & I worked to tweak for our cars. Any Questions PM
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM Last edited by FSociety; 06-17-2019 at 09:18 PM.. |
02-12-2019, 10:59 PM | #2 |
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM |
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02-18-2019, 12:00 AM | #3 |
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Hey FSociety!
I have followed your build on here since I got my car in October. Have some questions about it if you wouldn't mind giving some insight. Any particular reason for going away from your X4? I used to have a 2008 535i with FBO which ended up putting about 430 to the wheels. Interested in seeing how I can get close to that with the X4 M40i. I have a 2018 one. Look forward to hearing from you. Bryan |
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02-18-2019, 12:38 AM | #4 | |
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Your 2018 X4 M40i is also N55 correct? It's an amazing mid-size sport activity coupe ![]() I can't wait for new X4M for 2020
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM |
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02-19-2019, 05:57 PM | #6 |
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I did, on stock, jb4 and beta BM3 OTS.
But I decided to do 1/4 mile, 0-60 test via Dragy Performance Meter instead and basically shows me more real world. 0-60 4.19s 1/4 mile 12.4 @ 110mph on BM3 93 OTS I was also able to test the BM3 93 OTS targets 15.7psi boost vs MHD STG2+ targets higher boost in another X4 M40i was running that map and my car always took the win regardless of the pull. It showed the efficiency of power band and intercooler definitely helps on back to back pull. I didn't get to test the E30 OTS maps but in real world scenario Mexico proved even more powerful all around.
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM |
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03-08-2019, 11:03 AM | #7 |
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How many miles on those springs?
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Rockford Fosgate P3 // JBL MS-A5001 // MiniDSP AFe Pro Dry S // PS2 // Custom Inlet // DV+ // FTP Boost Pipes // VRSF 5" FMIC // VRSF Downpipe // BM3 Stage 2 91 @ 5280' |
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03-08-2019, 04:58 PM | #8 |
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About 10k miles they were on for a year, it was strictly highway car for me.
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM |
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06-17-2019, 09:16 PM | #9 |
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F90 M5 @BM3Tuning/HCP Stg1+ 6.6s | 10.27@134 | 0-60 2.61s | HCP Stg2 60-130 6.13s
F97 X4MC http://www.instagram.com/BMWF9XM |
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06-25-2019, 11:18 AM | #10 |
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Hi FSociety,
Do you still have the H&R Springs? How much to ship to 65201? Thanks, Gramps
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2017 X4 M40i - Graphite Gray/Mocha
2012 550ix M-Sport - Carbon Black - NACX, ZCV, ZCW, ZDA, ZLS, ZMP, ZPS, 337, 2TB, 415, 4CE, 6NF, 6WA 2011 Z4 3.5is M-Sport - •Melbourne Red Metallic - 0ZCW, 0ZPS, 02MV, 0322, 0ZPP |
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