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BMW 3-Series (E90 E92) Forum
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N54 Downpipe Fix
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01-09-2023, 03:30 PM | #2 |
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Drives: 2008 335xi 6spd Coupe
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Have you considered running MHD? It "fixes' the DPs for you.
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01-09-2023, 04:03 PM | #4 |
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Drives: 2008 335xi 6spd Coupe
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Sounds like you have some different rules than we do up here. The tune's fix solves it for Massachusetts.
Good luck. |
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01-10-2023, 09:32 AM | #5 |
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Can you put the stock DP's back on...get it inspected, and then put the aftermarket ones back on?
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2007 335i, BMS DCI, BMS Chargepipe w/Tial BOV, ARM Catless Downpipes, silicone inlets, Bilstein B12 Prokit Suspension, Whiteline subframe bushings, Front/Rear M3 control arms, G-Plus FMIC, Stage 2 LPFP, Custom E40 tune by Justin (V8Bait), xHP stage 3 transmission flash, RB Two Turbos....10.90 @ 128mph
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01-10-2023, 11:11 AM | #6 |
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Drives: '11 335is | '16 Macan Turbo
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Or a pair of Cobb catted dp's
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'11 335is BSM MT "BMW Performance Editon" | '16 Porsche Macan Turbo
GruppeM CF Intake | AR Resonated DP | ER CP | Turbosmart RacePort BOV | Cobb FMIC | RB Inlets | RB External Mishi/Turner OCC | Michelin PS4 | BMW Performance Springs/Bilstein B8 + Dinan & M3 bits | BMW Brembo BBK | BMW Performance CF Spoiler | BMW Performance CF Lip | BMW Performance Alcantara | PS Designs GTS Armrest | AG H6-40 | Rear Seat Delete |
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bms, downpipe fix, e92, n54, vrsf |
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