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BMW 3-Series (E90 E92) Forum
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Custom Catless Manifold + BMS Downpip Fix Install
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05-29-2013, 09:23 AM | #111 |
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You and me! let's do this and help mapleridge get these made
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08-19-2014, 02:26 AM | #113 |
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So I just did mine, not exactly with these but basically the same thing. Stock manifold with a primary cat delete, exactly at 3k rpm the thing sounds like a fart can. But only at 3k, not before not after. I'm getting a magnaflow resonator put in. Currently I have no 2ndary, no resonator, and a Remus muffler. 2.5inch piping all the way through.
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12-27-2018, 06:54 AM | #114 |
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Hi there
I want to do the same thing, I got a header delete set but I know there are sensors that go into the cats? Can I reuse these sensors in the new set. Picture below of what I got. I see there are "holes" for something, I presume its fot the sensors, although I've heard of people putting in dummy sensors to clear the codes. I just dont want to do this and it causes my car to limp
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12-27-2018, 09:05 AM | #115 | |
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You need to code for the cat delete or you will get a check engine light. You will not get limp mode without cats just a check light. |
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12-28-2018, 08:42 PM | #116 | |
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12-28-2018, 11:21 PM | #117 | ||
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12-28-2018, 11:22 PM | #118 | ||
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12-29-2018, 11:36 AM | #119 |
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Can you be more specific? Web address?
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E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front
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12-29-2018, 09:42 PM | #120 |
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If you just want to avoid the check engine light you can get o2 spacers to install at the post cat sensors. Ideally, you want to tune the car to maximize gains with the headers and remove the cel light for missing catalytic converters.
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