N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i - E90Post

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	Rating Thread / Thread Starter	Last Post	Replies	Views
	Sticky: Has anyone contacted BMW regarding 29.2 and lag? ( 1 2 3 4 5 ... Last Page) oc24	03-11-2026 07:03 AM by Pseudo Nim	4,941	2,284,333
	Sticky: N54 Dyno Chart Compilation ( 1 2 3 4 5 ... Last Page) hun77777	12-05-2025 08:31 AM by Vegeta2SSJ4	776	847,500
	Sticky: Bavarian Tech Code List ( 1 2 3) Mr. 5	11-29-2025 03:58 AM by n54Ultra8k	47	196,678
	Sticky: N54 Public XDF Repository ( 1 2 3 4 5) WedgePerformance	10-03-2025 03:19 AM by Podunk	99	261,558
	Sticky: First Time Tuners Start Here** Official Misfire Thread\| Updated! ( 1 2 3 4 5 ... Last Page) Jeff@TopGearSolutions	05-14-2025 08:14 AM by SeanS97	345	527,713
	Sticky: The Basics of Tuning and Timing ( 1 2 3 4 5 ... Last Page) roninsoldier83	02-02-2025 04:40 AM by ruy23	253	375,269
	Sticky: Procede v5 User Maintained Owners Manual ( 1 2 3 4 5 ... Last Page) azwillnj	09-27-2024 11:38 AM by omni13	110	286,828
	Sticky: N54 Drag Times Compilation ( 1 2 3 4 5 ... Last Page) B00sted335BMW	11-27-2023 05:55 AM by flipmode	843	606,996
	Sticky: Aftermarket Exhaust Clips / Videos thread for 335i and 335d ( 1 2 3 4 5 ... Last Page) Mark	01-11-2023 12:42 PM by iqraceworks	189	429,284
	Sticky: 2007 Engine Tech: How the N54 works (must read!!!) ( 1 2 3 4 5 ... Last Page) ksfrogman	03-11-2022 03:05 PM by muddog	148	541,155
	Sticky: Official Performance Mod List for 335i ( 1 2 3 4 5 ... Last Page) imaznumkay	02-03-2022 02:05 PM by happiest	214	499,681
	Sticky: N54 Tune Comparison Chart (Detailed) ( 1 2 3 4 5 ... Last Page) AltecBX	12-27-2021 07:04 PM by E90N54_	382	1,413,374
	Sticky: photos of the HPFP from BMW AG engine model... ( 1 2 3) Dackelone	12-20-2019 04:06 PM by Dackelone	49	118,691
	Sticky: N54 MHI Turbo Data ( 1 2 3 4 5 ... Last Page) DMETune	09-03-2019 10:57 PM by bwhipp	111	285,683
	Sticky: Official e90post 60-130 Times List! ( 1 2 3 4 5 ... Last Page) Mr. 5	02-24-2014 02:48 PM by Mr. 5	305	386,652

	E90 N54 AT won’t move in any gear. Serf27	Today 09:41 AM by Serf27	2	38
	Radiator Fan running full speed ( 1 2) james008	Yesterday 02:42 PM by Zam@90	26	29,274
	Need help with surging 335xiE90	Yesterday 12:10 PM by lookalikehuuh	20	1,591
	N54 Fuel Mixture Codes - 29e0, 29e1 pham	Yesterday 09:43 AM by Aode06	12	12,233
	Drift project 335i brunobw	Yesterday 07:42 AM by brunobw	0	63
	N54 cold start missfire issue Calebn54	03-14-2026 12:53 PM by Calebn54	17	3,155
	New turbos JoshE90	03-14-2026 11:35 AM by bill3rdshift	8	2,698
	Jb4 BEF Vs mhd v5 e40 Spooderboss	03-12-2026 09:59 AM by oVeRdOsE.	6	305
	Thud when letting off the gas when in high boost smass	03-11-2026 03:23 PM by lowrydr310	21	8,609
	11’ 335i codes, need help ENIN3D	03-10-2026 10:04 PM by whyzee125	7	2,004
	Small Single vs twins for track use? boostmg	03-10-2026 07:34 AM by oVeRdOsE.	7	290
	Help, DME code 2CF6 sending me into limp mode mslam02	03-09-2026 12:00 AM by Evil///M	9	4,871
	msd81 30bb antt	03-08-2026 11:23 PM by antt	6	2,907
	car was sitting for awhile [MHD ALOT OF CODES] chrisghifi	03-08-2026 06:42 PM by Popoto	1	177
	335i N54 cyl 3 & 4 misfire Onizer	03-08-2026 04:52 PM by Popoto	5	842
	Uro Parts Valve Cover ( 1 2 3) Raptor04	03-08-2026 04:36 PM by Popoto	46	23,470
	RB/OEM turbo install thread: ( 1 2 3 4) robc1976	03-08-2026 01:20 PM by san40k	87	33,796
	2C2E & 2C7C and smoke immediately after HPDE trohde78	03-06-2026 04:19 PM by trohde78	8	5,863
	2D2E Fault Isolation Peter5498	03-06-2026 09:56 AM by Peter5498	0	99
	what are symptoms of a bad water pump? ( 1 2) az335idesi	03-06-2026 08:54 AM by Julian.Z	22	61,035
	Low pressure fuel and 30F code intermittently. Not getting full power. m_lopin	03-05-2026 05:51 PM by m_lopin	5	590
	Swapped Oxygen Sensors- 2C24- Pin fix? PINeely	03-04-2026 01:10 AM by andreaminiera	3	23,365
	Restoring BMW Igition Coil plastic covering musa	03-03-2026 11:11 PM by musa	0	495
	Catch can not collecting oil oZades	03-03-2026 06:51 PM by jcortez75	3	603
	Coolant Leak Help Hakai	03-02-2026 10:13 PM by Hakai	6	52,050
	Car Cutting out at WOT Cole17171	03-02-2026 04:45 PM by Cole17171	0	495
	“DME: no coding” after flashing back to stock. janpa7	03-02-2026 02:39 PM by janpa7	2	796
	Randomly started smoking out exhaust a lot, 335is DCT e nine dee two	02-26-2026 06:49 PM by Gizm0	9	2,466
	Shooting flames Thurston Howell the 3rd	02-26-2026 02:08 PM by Gizm0	21	11,088
	Optimizing N54 PCV system for 19T twins N54Cody02	02-26-2026 08:22 AM by JustAnotherE92	2	1,490
	N54 Cold Start Mixture Codes and 2D2E Throttle Valve Angle Code Beasters	02-24-2026 06:31 PM by Peter5498	15	7,056
	30FF but still making boost ( 1 2) Bimmer_Engineer	02-23-2026 03:50 PM by bakes88	26	7,311
	335i 6mt Clutch slipping after <4k miles? Athan_Hal	02-20-2026 07:11 AM by bill3rdshift	5	3,071
	Waterpump 100% or any chance of something else ? studio54	02-20-2026 07:03 AM by studio54	11	4,720
	Misfire Cylinder 1, Injector questions. Athan_Hal	02-18-2026 05:28 PM by lookalikehuuh	7	16,073
	N54 Rod Bearings - Preventative Maintenance? ( 1 2 3 4 5 ... Last Page) HKD126	02-18-2026 09:42 AM by bill3rdshift	163	71,904

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