135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)

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135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications

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	Rating Thread / Thread Starter	Last Post	Replies	Views
	Sticky: 2007 Engine Tech: How the N54 turbo engine works (must read!!!) ( 1 2) Harold	04-06-2026 01:30 PM by Sourd9	36	141,176
	Sticky: My DCT lag, idle issue, and lurching problems. ( 1 2 3 4 5) zx10guy	12-04-2024 07:59 PM by homewrecker07	89	99,569
	Sticky: Anyone know what the inside of the PE muffler looks like? ( 1 2 3 4 5 ... Last Page) e36addict	06-22-2023 10:38 PM by Sapper	125	170,239
	Sticky: Warning to those post 03/08 build 135i owners wanting to tune ( 1 2 3 4 5 ... Last Page) mikeo	04-15-2023 05:40 PM by Pot_Pie_35i	190	265,221
	Sticky: DIY installing N55 mid pipes on a N54... ( 1 2 3 4 5 ... Last Page) Dackelone	09-16-2022 12:46 AM by uzone02	163	245,921
	Sticky: calling all 6MT SSK guys... ( 1 2 3 4 5) Dackelone	09-08-2022 09:58 PM by Cadubya	104	129,253
	Sticky: fluid change 135i dct transmission, pentosin vs ravenol ( 1 2) Alcor	01-29-2022 08:13 PM by ryokeley12	32	66,719
	Sticky: N55 Engine Full Technical Info and Service Information Manual Jason	01-28-2022 08:23 AM by Veriz	16	61,051
	Sticky: Updated DME software and got fun noises.. ( 1 2 3 4 5 ... Last Page) e36addict	12-09-2021 11:59 AM by Joe@TopGearSolutions	376	282,608
	Sticky: New CEL and Engine Malfunction... This car will be the death of me ( 1 2 3 4) Matticus91	09-28-2021 12:58 PM by Tallicia	78	128,238
	Sticky: photos of the HPFP from BMW AG engine model... ( 1 2) Dackelone	06-19-2021 10:25 AM by mistacarder	38	46,155
	Sticky: Official 135i Exhaust Sound Clip Thread ( 1 2 3 4 5 ... Last Page) NY SLC 93	06-16-2020 09:30 PM by b3turbo	500	384,006
	Sticky: UUC magnetic oil drain plug... ( 1 2 3 4 5) Dackelone	08-19-2019 07:42 PM by Dackelone	94	125,694
	Sticky: DCT delay fixed ( 1 2 3 4 5 ... Last Page) elzorro4	05-28-2019 10:22 PM by SoFloE82	112	136,601
	Sticky: 135i: ZF or Getrag auto transmission? ( 1 2 3) winthorp	04-21-2018 06:03 PM by ShocknAwe	47	79,724
	Sticky: More N55 info ( 1 2 3 4 5 ... Last Page) scs	04-03-2014 05:38 PM by bradleyland	171	287,250
	Sticky: Useful Warranty Information.(A must read if you have mods) ( 1 2) Riss Racing	02-25-2014 08:33 PM by johngrossi	42	99,292
	Sticky: N54 Technical Service Bulletins mikeo	11-05-2008 02:28 PM by mikeo	2	56,831
	Sticky: NHTSA High Pressure Fuel Pump Investigation atr_hugo	08-05-2008 07:06 AM by atr_hugo	0	45,590

	Lose power as engine heats up ( 1 2) sonicgrounds	04-11-2026 04:37 PM by ShocknAwe	27	8,281
	e88 n55 dct xhp creep modes mwpa71	04-10-2026 09:04 AM by MParallel	10	6,077
	Fuse Diagram for part# 9119444... Fuse panel is buzzing cprovenzo	04-08-2026 06:30 AM by cprovenzo	1	48
	terminal 87 3 location semeoneor	04-08-2026 03:18 AM by tpl.mallon	9	8,215
	OEM manual shifter alternatives for N54 135i lucadenhez	04-06-2026 12:18 PM by blackburn-hero	3	395
	N55 Clutch replacement tutorial? NickD	03-30-2026 07:00 AM by moose09876	3	174
	S55 Oil Pan Swap - Power Steering Pump Brackets uhhh_maks	03-25-2026 12:30 PM by jayson	14	1,222
	Bottom mount single turbo 135i ThisBeLuke	03-17-2026 10:56 PM by ThisBeLuke	0	138
	Replace rear main seal while doing clutch? NickD	03-17-2026 10:00 AM by ShocknAwe	5	171
	Got a N55 noise I need help with ( 1 2) neepertech	03-16-2026 01:27 AM by e82hud	31	11,006
	Differential Compatibility pyshin	03-15-2026 04:36 PM by pyshin	4	172
	125i to 135i? jamiewalkaa	03-14-2026 01:59 PM by kashikoi	14	276
	Replacement Motor Jomammaa	03-10-2026 04:10 PM by blackops23	3	908
	Motion Raceworks Catch Can(N54) JSF1	03-10-2026 05:23 AM by JSF1	0	100
	Low Oil Pressure Alert and Oil Control Valve code 3408 Kartpilot	03-08-2026 07:53 PM by jjmmarr	4	2,186
	Vanos 0x2E0F too frequent adjustment error timchump	03-07-2026 02:26 AM by timchump	0	139
	Cracked intake tubing khastopher	03-03-2026 11:30 PM by itranyesterday	3	329
	N55 Clutch/Flywheel opinions NickD	03-03-2026 07:24 AM by moose09876	1	138
	Racing Dynamics Short Shifter N55 NickD	03-02-2026 02:43 PM by NickD	0	110
	N54 making 0 boost after vaccum lines, solenoid, and CP e82.real	03-01-2026 11:20 PM by e82.real	0	129
	2BC0 error keeps coming back Ronaldk82	03-01-2026 01:46 PM by az335imsport	2	4,126
	Battery replacement isn't cheap ( 1 2) Adam135	02-28-2026 12:15 PM by GoRomeo	31	36,930
	Radiator fan going full speed + poor power, could it be a bad battery problem ? ( 1 2) studio54	02-25-2026 11:18 AM by GoRomeo	34	17,858
	Could use help with n54 rear inlet install - actuator question edisapimp	02-21-2026 09:06 AM by edisapimp	1	170
	Is it possble to use the GS6-53BZ (n54 trans) on a N55? cficare68	02-18-2026 07:36 AM by Keviendo	17	13,339
	Rattle/Scratching noise from the Transmission(Updated with video) Solo_M_Tech	02-18-2026 05:15 AM by moose09876	20	8,980
	Semi S55 oil pump upgrade deyrag	02-06-2026 04:10 PM by Creations_cult	1	256
	N55 135i all warning lights, no tach, nothing E13	02-05-2026 01:06 AM by GoRomeo	2	150
	gs6-45bz Rebuild Help khuang0925	02-02-2026 04:28 AM by al_v	12	1,757
	n54 2009 135i vanos help please ! maj0r	01-30-2026 02:40 AM by Elven	9	5,662
	"160i" 6.0l Motor Swap Build - @ls1series ( 1 2 3 4 5) highbrowed	01-25-2026 01:20 PM by e80two	104	58,430
	Successful F8x M3/4 6MT retrofit e80two	01-25-2026 09:22 AM by moose09876	5	1,471
	help with datalog Cannonfodda101	01-11-2026 04:35 PM by Cannonfodda101	4	667
	XHP DCT Flash released ( 1 2 3 4 5) ghost135i	01-08-2026 09:41 PM by powerbait	101	38,518
	N55 Power options 2025 Logsn	01-03-2026 11:05 PM by mySlow1	6	1,086
	What's this crackly static noise? itranyesterday	01-02-2026 07:37 PM by itranyesterday	2	203

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