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03-26-2022, 09:33 AM | #2 |
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Drives: 11 128i 6MT Sport
Join Date: Sep 2010
Location: Rock Hill, SC
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11 128i slicktop
13 WK2 19 Alltrack S |
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03-26-2022, 12:12 PM | #3 |
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Thanks but on realoem for N52, no secondary cats.
The very long center exhaust pipe: N51 18 30 7 560 008 $2170.94 N52 18 30 7 560 015 $2235.75 [more expensive but no cats?] |
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03-26-2022, 01:39 PM | #4 |
Слава Украине!
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The description of P/N 18 30 7 560 015 is "RP-catalyic converter + front muffler"
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03-27-2022, 06:05 PM | #5 |
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Drives: 2010 128i 6MT Sport Pkg. 18"
Join Date: Jul 2013
Location: Ottawa, Canada
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They're there Mike, just have a look under the car. Had mine removed, can't believe how restrictive they are when I got a good look at them. Nice , very subtle improvement in sound + slight mpg and a few horsepower gained. Had a look at RealOEM -that picture is just not accurate. Doesn't show the 2ndary cats and calls the resonator a muffler/ cat which it's not. Not even close.
Last edited by Olgeezer1; 03-29-2022 at 02:31 PM.. Reason: 2nd look |
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03-29-2022, 12:56 AM | #6 | |
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Quote:
Second this. It completes it for me. Slight mpg gain is subjective. It went down for me as the car sounds so much nicer because of the horsepower gained 😉 I decided to keep them just in case I ever sell the car or decide to go back to stock. Plus they are expensive! I did the same for my primaries when I did my headers.
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Mods Done: AA Exhaust/Headers | 3SIM | MILVs | StageFP Dyno Tuned | Euro Box Intake Swap | LCI Blackline Tailights | OEM Euro Bi-Xenon Swap from Halogen | Rear Bumper M-Sport Swap | Rear PDC Retrofit | BMW OEM CF Diffuser/Spoiler | BMW Front Aero Kit | Supersprint Sec 1 Cat Delete Straight Pipes
To Do: Ohlins R n T Suspension | Front/Rear Sway Bars | M3 Front Control Arms/Bushings Eventually: AT -> MT Swap (!?) |
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