135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications - Page 2 - 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
	Semi S55 oil pump upgrade deyrag	02-06-2026 04:10 PM by Creations_cult	1	832
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	help with datalog Cannonfodda101	01-11-2026 04:35 PM by Cannonfodda101	4	1,270
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	Radium Oil Catch Can Not Fitting Correctly... Chris97277	01-01-2026 08:02 PM by iDontRemember	2	1,116
	Belt ripped apart the engine harness...total loss?? gingy_135i	12-18-2025 12:50 PM by deyrag	12	2,466
	Arguably the best midpipe, the Maddad, is back from the dead for one group buy! Bullitt	12-09-2025 12:05 AM by Bullitt	10	2,345
	My car is in limp mode 2a85 code/3100 code MA135is	12-06-2025 04:46 PM by GoRomeo	4	2,457
	N54/Early N55 HPFP Rebuild and E85 Upgrade PerformanceEngSolutions	12-06-2025 03:49 PM by konstat	0	863
	Under boosting turbo03	12-04-2025 02:59 PM by konstat	1	1,634
	CD87 - PT CAN Communication Fault houtan	12-03-2025 05:22 PM by houtan	11	9,629
	Broken oil pan bolt, won't extract... what should I do? cprovenzo	11-25-2025 03:22 PM by cprovenzo	4	1,193
	Not building boost turbo03	11-25-2025 12:39 PM by ShocknAwe	2	864
	Wonky gas gauge uglypedro	11-23-2025 03:14 PM by uglypedro	1	595
	VRSF Cat downpipe-failed emissions Colorado colorado135i	11-19-2025 07:41 PM by ShocknAwe	10	4,676
	135i Remus Quad Exhaust (Modified) + Gutted Downpipe Sapper	11-19-2025 05:04 PM by Sapper	2	1,216
	N55 Speed Tech Stage 3 EFR7670 Kit ( 1 2 3) ghost135i	11-16-2025 12:09 AM by ghost135i	49	15,485
	N55 DCT Coolant Hose Upgrades UB2SLOW	11-15-2025 03:29 PM by UB2SLOW	0	389
	muffler ash? uglypedro	11-15-2025 02:38 AM by uglypedro	0	346
	Diagnosing a fueling issue....need help please QueenCityLurker	11-11-2025 08:28 PM by QueenCityLurker	13	720
	Brand new OEM n55 valve cover cracked E13	11-09-2025 06:51 AM by zx10guy	2	560
	Coolant temp and thermostat codes ( 1 2) AndyW	11-03-2025 09:03 PM by N55wolf	41	20,628
	Fuel level sensor - Precision Raceworks stage 2 LPFP Brandon_2011_135i	11-02-2025 04:38 PM by ShocknAwe	1	507
	M235i swap into 135i 1slon55	10-27-2025 09:49 AM by 1slon55	0	552
	Replaced my 135is flywheel with a M4 Flywheel Andrewbens	10-26-2025 12:17 PM by ferocity02	5	4,930
	Weird buzzing noise at idle (n55 pwg) e82hud	10-24-2025 12:11 PM by e82hud	0	529
	Rear Differential Bearing Carrier Plastic Broken TridenTBoy	10-24-2025 07:09 AM by moose09876	4	572
	AC compressor has "come apart" licwid	10-23-2025 09:35 PM by Knifec	6	3,560
	bleeding the clutch after CDV replacement ( 1 2) twenzel	10-22-2025 06:34 PM by itranyesterday	34	14,384
	N55 MHD Stage 1 Intercooler Pipes Keep Popping Off e82ghost	10-19-2025 03:43 AM by e82ghost	5	2,987
	BSD Buss Error - Usual steps aren't working :( cprovenzo	10-18-2025 07:16 AM by ShocknAwe	1	656

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