N55 Turbo Engine / Drivetrain / Exhaust Modifications - BMW 3-Series and 4-Series Forum (F30 / F32)

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Threads in Forum : N55 Turbo Engine / Drivetrain / Exhaust Modifications

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	Rating Thread / Thread Starter	Last Post	Replies	Views
	Sticky: N55 Engine Full Technical Info and Service Information Manual ( 1 2 3) Jason	07-29-2025 10:23 PM by Bubov1	48	162,456
	Sticky: BMW M Performance LSD for 335i and 435i. Pricing and Technical FAQ. ( 1 2 3 4 5 ... Last Page) Jason	05-06-2025 10:14 AM by rlesko	237	460,165
	Sticky: BMW M Performance Power Kit Now Available for 2012+ BMW 335i Sedan (F30) ( 1 2 3) Jason	12-18-2018 04:24 PM by Hammer Werke	65	221,028

	BMW ISTA+ Links ( 1 2 3 4 5 ... Last Page) UhhItsANT	Yesterday 11:37 PM by shawnsheridan	3,430	204,808
	Issues after flashing back to stock phyre_nebula	02-17-2026 07:40 PM by dmoneyn55	1	448
	Misfire after moderate throttle techy	02-17-2026 05:59 PM by LA1Z24	1	30
	XDrive isn't working correctly. loub06	02-17-2026 12:50 PM by LA1Z24	1	66
	N55 rebuild, and oil starvation fix ( 1 2 3 4 5) AbbeyRoad	02-13-2026 10:13 AM by wheela	106	10,772
	FMIC O-ring Direction ( 1 2 3) khj24	02-11-2026 11:43 PM by thejeremyman9	51	16,779
	PSA: Preventing N55 from spinning rod bearing by increasing oil pressure to match S55 ( 1 2 3 4) Pete.J	02-11-2026 03:47 AM by WesselG	74	13,076
	First few bits of debris found after oil change fortythirtyfive	02-10-2026 05:31 PM by Jvac	3	144
	Throttle closures, -20% STFT, high timing corrections (-7.2) markivvv	02-10-2026 01:20 PM by markivvv	0	75
	123511 Stiff EWG Wastegate Khambinho	02-10-2026 01:15 PM by LA1Z24	11	7,544
	Cold air intake opinions for N55 ( 1 2 3 4 5) TY12	02-09-2026 02:22 PM by mike@x-ph.com	94	43,982
	HPFP New Option ( 1 2 3 4 5 ... Last Page) RSicks	02-08-2026 02:06 PM by _ObiJon	934	202,992
	Trans Flash AH3? Heidi	02-06-2026 08:32 PM by LA1Z24	2	104
	Rounding up AH3 for BM3 or MHD? ( 1 2 3 4 5 ... Last Page) Lancelot	02-06-2026 02:14 PM by Heidi	427	63,558
	n55 EWG not hitting boost target nnguyen2004	02-05-2026 09:07 PM by 5w20	3	309
	F30 N55 Built Motor and Pure 750 Build Thread ( 1 2 3 4 5 ... Last Page) scottygrape	02-05-2026 09:03 PM by 5w20	129	41,034
	N55 Cylinder 1 Decoupling Ring JTCOTTON75@GMAIL.COM	02-05-2026 11:53 AM by JTCOTTON75@GMAIL.COM	0	100
	water pump issues hunterman2126	02-04-2026 05:53 PM by hunterman2126	2	169
	FMIC / Charge Pipe / Turbo Pipe Compatibility for F33 435ix euphos	02-03-2026 07:24 PM by sqwinny	5	304
	Just picked up an F30 335i (N55) with 115k miles. Need advice on a total "refresh." maksgitx	02-03-2026 10:33 AM by Jvac	2	181
	Wheel speed/abs sensor causing "Christmas tree" on dash? Austin.reed31	02-01-2026 11:26 AM by LA1Z24	1	162
	OFHG internal leak possible? (oil in coolant situation) ( 1 2) BeastMode335i	01-28-2026 12:20 PM by BeastMode335i	25	5,892
	n55 f30 walnut blast 2019 ( 1 2) 13blk335ix	01-26-2026 09:25 PM by n55david	23	3,667
	CD8E10 LIN Bus: communication fault. After battery change and 700 mile road trip chinniciF32	01-26-2026 12:11 PM by chinniciF32	3	317
	LPFP Upgrade & avoiding overheating ( 1 2) random435xi	01-22-2026 08:23 PM by sqwinny	25	961
	F30 n55 Cam phasers help MvO206	01-22-2026 06:19 AM by LA1Z24	1	167
	Upgrading to VRSF charge pipe, want to know how the vacuum line fits into the vrsf F30335xin55	01-22-2026 06:18 AM by scubajim	3	490
	MHD Tune Parameters PuppMasterFlex	01-18-2026 10:36 PM by qx	2	344
	N55 rear main seal Krisbg	01-18-2026 09:55 PM by yupetc	3	275
	Car tried to take off at red light _AlpineF30	01-18-2026 12:43 PM by rlesko	3	267
	2013 435i N55 tuning advice mikkelbay	01-17-2026 06:56 AM by mikkelbay	0	226
	Bootmod3 any discounts? ( 1 2 3 4 5 ... Last Page) BigJack75	01-16-2026 02:34 PM by zxwreg	119	41,733
	2014 BMW 435i EKP Module for LPFP overheating akman177	01-13-2026 07:27 AM by M3latonin	12	2,209
	F30 N55 Valvetronic Issue 134F02 oswaldox5199	01-12-2026 10:49 AM by oswaldox5199	13	6,602
	2016 435i Oil Pan Removal Issue rallas	01-11-2026 06:13 PM by Burnout	12	658
	MHD Stage 1 N55 - slightly concerned about timing corrections markivvv	01-11-2026 12:29 PM by csaris	2	321

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