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e46 Coding/Tuning

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e46 Forced Induction

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e46 M3 Photo Gallery

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Topics	Statistics	Last Post
Sticky: Dumb Question Thread - No Flaming Allowed by IamFODI Started by IamFODI, 09-12-2020, 09:07 AM	2,835 responses 81,102 views 1 like	Last Post by Slideways Today, 04:09 PM
Sticky: e46 M3 Community-designed CAD files Master List by karter16 Started by karter16, 07-12-2024, 01:58 PM	114 responses 8,681 views 12 likes	Last Post by Bry5on 10-31-2026, 10:13 AM
Sticky: e46 M3 Press/Media by Obioban Started by Obioban, 03-20-2020, 10:13 AM	126 responses 8,990 views 1 like	Last Post by cobra 10-25-2026, 10:41 PM
Sticky: e46 M3 torque spec thread-- every bolt on the car on diagrams by Obioban Started by Obioban, 03-20-2020, 09:56 AM	94 responses 26,530 views 10 likes	Last Post by dhoke1 09-24-2026, 04:14 PM
Sticky: S54 Dyno Database by stash1 Started by stash1, 03-24-2020, 11:51 AM	553 responses 45,631 views 0 likes	Last Post by eMahle 09-24-2026, 07:18 AM
Sticky: Welcome! Read this first by Obioban Started by Obioban, 03-19-2020, 01:18 PM	197 responses 8,407 views 29 likes	Last Post by IamFODI 05-28-2026, 01:55 AM
Sticky: e46 M3 Tire Sizing Thread by liam821 Started by liam821, 03-20-2020, 01:32 PM	92 responses 22,143 views 3 likes	Last Post by Paulo337 05-09-2026, 04:43 PM
Sticky: e46 M3 maintenance/lockdown thread by Obioban Started by Obioban, 04-08-2020, 10:13 AM	27 responses 13,651 views 3 likes	Last Post by e46life 10-31-2025, 12:48 PM
Sticky: DIYs by Obioban Started by Obioban, 03-26-2020, 07:57 AM	63 responses 13,258 views 5 likes	Last Post by Mystic03 10-27-2025, 06:00 AM
CF Roof Decision — RKP vs Karb by LSB4Me Started by LSB4Me, 10-31-2025, 04:23 PM	21 responses 937 views 0 likes	Last Post by Bimma360 02-05-2026, 06:05 AM
Best spray paint for touch ups by Cubieman Started by Cubieman, 02-02-2026, 06:56 PM	5 responses 275 views 0 likes	Last Post by Cubieman 02-03-2026, 04:22 PM
Instruction Letter For Machinist To Drill Oil Pump Disk by BL92 Started by BL92, 01-28-2026, 12:38 AM	27 responses 689 views 0 likes	Last Post by ac427 02-03-2026, 04:12 PM
Cannot select any gear even with engine off or idling (6MT) by ac427 Started by ac427, 01-30-2026, 01:01 AM	15 responses 581 views 0 likes	Last Post by sapote 02-03-2026, 02:55 PM
Exhaust Valves: Std. vs CSL by Niklas Started by Niklas, 02-01-2026, 08:36 AM	4 responses 298 views 0 likes	Last Post by Arlen4369 02-02-2026, 08:51 PM
OEM Chrome Kidney Grill Situation by Nico Started by Nico, 12-23-2025, 10:51 AM	45 responses 2,175 views 0 likes	Last Post by headlock 02-02-2026, 03:24 PM
Water pump failure? by F2468c Started by F2468c, 01-30-2026, 03:52 PM	6 responses 283 views 0 likes	Last Post by sapote 02-02-2026, 02:29 PM
Over 2 decades later and they're still around. by EthanolTurbo Started by EthanolTurbo, 01-28-2026, 09:02 AM	7 responses 533 views 10 likes	Last Post by WestBankM4 02-02-2026, 12:06 PM
DO NOT BUY ECS Ultimate Rear Shock Mounts - JUNK ALERT by jvit27 Started by jvit27, 01-05-2022, 04:03 PM	30 responses 2,116 views 2 likes	Last Post by tnord 02-01-2026, 06:41 AM
passenger tail light stays on by ATB88 Started by ATB88, 01-30-2026, 10:20 AM	4 responses 113 views 0 likes	Last Post by sapote 01-30-2026, 03:30 PM
Best replacement cv axles? by Riley Started by Riley, 07-09-2023, 05:59 AM	40 responses 2,402 views 0 likes	Last Post by bigjae46 01-30-2026, 12:06 PM
Critique My Build Plan - 15yrs of ownership and ready to refresh by tnord Started by tnord, 11-14-2025, 06:16 PM	37 responses 992 views 0 likes	Last Post by tnord 01-30-2026, 11:21 AM
Oil Level Sensor Options? by BMWE46M3 Started by BMWE46M3, 08-10-2025, 02:34 PM	22 responses 968 views 1 like	Last Post by bavarian3 01-30-2026, 12:46 AM
Misfire - Wet Spark Plug on Cylinder 3, But Cylinder 4 Low Compression... by BMWahba Started by BMWahba, 06-19-2023, 06:46 AM	42 responses 1,719 views 0 likes	Last Post by sapote 01-29-2026, 01:03 PM
Vintage Plates by chicane Started by chicane, 01-27-2026, 03:33 PM	3 responses 210 views 0 likes	Last Post by prostcfc 01-29-2026, 06:59 AM
VANOS Splined Shaft Bearing Ring Scoring by nagholdoian Started by nagholdoian, 12-08-2020, 07:30 PM	8 responses 416 views 2 likes	Last Post by sapote 01-28-2026, 05:23 PM
Help with part number by M3LSB.Gab Started by M3LSB.Gab, 01-28-2026, 05:07 AM	6 responses 168 views 0 likes	Last Post by M3LSB.Gab 01-28-2026, 10:30 AM
MAF Part # Changed / How to Date Code MAFs/ Bosch Date Code Chart by samthejam Started by samthejam, 03-27-2025, 05:50 AM	1 response 509 views 1 like	Last Post by samthejam 01-28-2026, 06:20 AM
LED TAILLIGHT BRAKE LIGHT ERROR by E46_AL Started by E46_AL, 01-27-2026, 08:54 PM	0 responses 49 views 0 likes	Last Post by E46_AL 01-27-2026, 08:54 PM
M10/E12 conrod bolt troubles by Keith_MN Started by Keith_MN, 01-12-2026, 11:45 AM	46 responses 969 views 0 likes	Last Post by cobra 01-27-2026, 01:33 PM
How bad is this strut tower crack? by S3diment Started by S3diment, 09-12-2020, 06:59 PM	21 responses 3,264 views 0 likes	Last Post by bigjae46 01-27-2026, 06:24 AM
ECS camber arm help by Mspir3d Started by Mspir3d, 01-10-2026, 08:31 PM	9 responses 247 views 0 likes	Last Post by Mspir3d 01-26-2026, 08:31 PM
Complete BMW Special Tool List (part numbers) by bmwfnatic Started by bmwfnatic, 03-02-2022, 03:54 PM	18 responses 4,689 views 23 likes	Last Post by M.Innovations 01-26-2026, 04:22 PM
Another Fun 98.44% Increase in Genuine Parts by samthejam Started by samthejam, 01-16-2026, 08:21 PM	35 responses 1,135 views 0 likes	Last Post by Pklauser 01-26-2026, 04:00 PM
Broomstick Shifter Refurbish/wrap - Any services? by siamkazi Started by siamkazi, 01-24-2026, 08:16 PM	3 responses 136 views 0 likes	Last Post by siamkazi 01-25-2026, 10:56 AM
S54 rebuild by M3loverboy Started by M3loverboy, 01-24-2026, 12:15 PM	1 response 156 views 0 likes	Last Post by Casa de Mesa 01-25-2026, 05:37 AM
Redirect: FS: Motorsport24 / KK Automobile hood by Nate047 Started by Nate047, 01-23-2026, 11:50 PM	—	—
Choosing a tune for your M3 with CSL airbox by karter16 Started by karter16, 01-15-2026, 03:35 PM	3 responses 706 views 21 likes	Last Post by karter16 01-23-2026, 11:00 PM
Question for those with Rogue strut bar by Cubieman Started by Cubieman, 01-23-2026, 05:20 PM	4 responses 117 views 0 likes	Last Post by Cubieman 01-23-2026, 09:26 PM
DIY: New Owner, Would Love Advice by TR_Beastmode Started by TR_Beastmode, 01-05-2026, 07:43 PM	83 responses 1,773 views 1 like	Last Post by TR_Beastmode 01-23-2026, 09:15 PM
Roundel magazine - s54 swap article by nyc951 Started by nyc951, 01-11-2026, 05:54 AM	7 responses 359 views 3 likes	Last Post by nextelbuddy 01-23-2026, 07:00 PM
Battery Light ON, with cold start for few seconds longer by elrichmeister Started by elrichmeister, 04-12-2024, 01:54 PM	29 responses 860 views 0 likes	Last Post by sapote 01-23-2026, 04:38 PM
Feeler: Girodisc 2-piece floating rotors for E46 M3 by r4dr Started by r4dr, 03-02-2021, 03:18 PM	125 responses 8,274 views 4 likes	Last Post by maupineda 01-23-2026, 01:54 PM
Rogue Engineering oil return line vs stock by Nate047 Started by Nate047, 12-31-2025, 08:26 PM	26 responses 735 views 0 likes	Last Post by bigjae46 01-23-2026, 05:58 AM
Corteco VCG by 6speedS54 Started by 6speedS54, 01-17-2026, 05:52 PM	32 responses 711 views 0 likes	Last Post by Cubieman 01-22-2026, 07:03 PM
Redirect: Individual E46 M3 Vlog and build journal by amiao Started by amiao, 01-22-2026, 01:23 PM	—	—
Persistent clunk post RACP repair / rear end refresh (video evidence) by Nate047 Started by Nate047, 01-19-2026, 11:56 PM	9 responses 330 views 0 likes	Last Post by Nate047 01-22-2026, 10:40 AM
Steering Rack Rebuild ?? by PSUEng Started by PSUEng, 07-05-2023, 04:48 PM	66 responses 4,691 views 0 likes	Last Post by Maurzog 01-21-2026, 05:26 PM
Overheating in Extreme Cold Temperatures by S14 Started by S14, 01-12-2026, 09:49 PM	8 responses 293 views 0 likes	Last Post by sapote 01-20-2026, 01:34 PM
19x10 +25 square by 9kracing Started by 9kracing, 01-18-2026, 12:21 PM	8 responses 283 views 0 likes	Last Post by Sharocks 01-20-2026, 08:43 AM

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E46 (2001 - 2006)