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e46 Coding/Tuning

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Yesterday, 11:27 AM

e46 Forced Induction

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by Bayern///M3

06-01-2026, 11:31 AM

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by bigjae46

05-15-2026, 05:12 AM

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Topics	Statistics	Last Post
Sticky: Dumb Question Thread - No Flaming Allowed by IamFODI Started by IamFODI, 09-12-2020, 08:07 AM	2,712 responses 61,747 views 1 like	Last Post by IamFODI Today, 05:19 PM
Sticky: e46 M3 Community-designed CAD files Master List by karter16 Started by karter16, 07-12-2024, 12:58 PM	93 responses 6,511 views 11 likes	Last Post by heinzboehmer 06-07-2026, 09:10 PM
Sticky: Welcome! Read this first by Obioban Started by Obioban, 03-19-2020, 12:18 PM	197 responses 7,312 views 29 likes	Last Post by IamFODI 05-28-2026, 12:55 AM
Sticky: e46 M3 Tire Sizing Thread by liam821 Started by liam821, 03-20-2020, 12:32 PM	92 responses 20,364 views 3 likes	Last Post by Paulo337 05-09-2026, 03:43 PM
Sticky: S54 Dyno Database by stash1 Started by stash1, 03-24-2020, 10:51 AM	546 responses 40,138 views 0 likes	Last Post by samthejam 03-25-2026, 05:16 AM
Sticky: e46 M3 Press/Media by Obioban Started by Obioban, 03-20-2020, 09:13 AM	123 responses 8,116 views 1 like	Last Post by Slideways 03-09-2026, 07:11 PM
Sticky: e46 M3 maintenance/lockdown thread by Obioban Started by Obioban, 04-08-2020, 09:13 AM	27 responses 13,222 views 3 likes	Last Post by e46life 10-31-2025, 11:48 AM
Sticky: DIYs by Obioban Started by Obioban, 03-26-2020, 06:57 AM	63 responses 12,618 views 5 likes	Last Post by Mystic03 10-27-2025, 05:00 AM
Sticky: e46 M3 torque spec thread-- every bolt on the car on diagrams by Obioban Started by Obioban, 03-20-2020, 08:56 AM	90 responses 24,541 views 10 likes	Last Post by elborikua 10-10-2025, 05:22 AM
Help needed - car won’t crank after tune by Maxhouse97 Started by Maxhouse97, 09-08-2025, 05:51 PM	14 responses 435 views 0 likes	Last Post by 0doyle 09-10-2025, 05:46 PM
Beisan S54 Exhaust Upper Chain Guide Solution by Rajaie Started by Rajaie, 03-20-2020, 04:12 PM	5 responses 7,231 views 2 likes	Last Post by BL92 09-10-2025, 01:10 AM
help and suggestions needed. SMG issue journey by chalaka Started by chalaka, 05-31-2024, 11:24 PM	26 responses 1,865 views 0 likes	Last Post by chalaka 09-09-2025, 10:20 PM
What’s up with the new floor mat build quality? by SteelGreyM Started by SteelGreyM, 09-08-2025, 05:29 PM	10 responses 547 views 1 like	Last Post by M3fanatic580 09-09-2025, 06:19 PM
[Review] Mile End Composities/GT4 CSL Diffuser by bavarian3 Started by bavarian3, 09-05-2025, 09:38 PM	11 responses 838 views 9 likes	Last Post by bavarian3 09-09-2025, 03:04 PM
Concerning Codes by ATB88 Started by ATB88, 09-08-2025, 07:49 AM	2 responses 388 views 0 likes	Last Post by ATB88 09-08-2025, 08:33 PM
S6-37 6mt swap info (broken off from junk yard thread) by George Hill Started by George Hill, 09-13-2023, 10:28 AM	118 responses 4,403 views 3 likes	Last Post by chris719 09-08-2025, 02:51 PM
Lightweight battery by Ghost_M3 Started by Ghost_M3, 05-30-2020, 08:08 AM	16 responses 1,322 views 0 likes	Last Post by Tonggi 09-08-2025, 02:27 PM
Trade for different color - Please tell me your experiences by A.moser26 Started by A.moser26, 09-08-2025, 09:35 AM	1 response 398 views 0 likes	Last Post by DJAM3 09-08-2025, 11:15 AM
HVAC Stopped Working by duperdog Started by duperdog, 08-29-2025, 09:39 AM	6 responses 458 views 0 likes	Last Post by duperdog 09-08-2025, 10:26 AM
What's a good option for fog lights? by simon_c Started by simon_c, 09-06-2023, 09:24 PM	36 responses 2,051 views 0 likes	Last Post by eforty6_m3 09-08-2025, 08:39 AM
2003 Titan Silver 335k kms - newbie by alexsol Started by alexsol, 07-22-2025, 03:51 AM	19 responses 414 views 1 like	Last Post by alexsol 09-08-2025, 03:48 AM
Coolant expansion tank tube routing? by Maxhouse97 Started by Maxhouse97, 08-27-2025, 05:58 PM	6 responses 207 views 0 likes	Last Post by M3fanatic580 09-07-2025, 07:42 PM
Outer CV dissambly? by Cubieman Started by Cubieman, 09-07-2025, 05:37 PM	0 responses 42 views 0 likes	Last Post by Cubieman 09-07-2025, 05:37 PM
Time for a cooling system refresh - OEM radiator still the way to go? by D-O Started by D-O, 09-26-2022, 05:19 PM	132 responses 5,230 views 0 likes	Last Post by Slideways 09-07-2025, 03:12 PM
Brake Line Real Talk by cobra Started by cobra, 07-10-2023, 08:22 AM	48 responses 1,679 views 0 likes	Last Post by SteelGreyM 09-05-2025, 07:28 AM
E46 M3 Turner Expansion tank troubles... by Tbird88tbo Started by Tbird88tbo, 08-27-2025, 09:47 AM	4 responses 257 views 0 likes	Last Post by 01SG 09-04-2025, 11:36 AM
Remote Damper Reservoir Mounting by TPE Started by TPE, 05-24-2020, 06:27 AM	41 responses 2,810 views 0 likes	Last Post by CrookedCommie 09-04-2025, 09:14 AM
Racing Rejects RACP Repair by BL92 Started by BL92, 09-04-2025, 01:16 AM	1 response 201 views 0 likes	Last Post by bmwfnatic 09-04-2025, 06:30 AM
Help finishing xenon projector upgrade by SteelGreyM Started by SteelGreyM, 09-03-2025, 05:01 PM	2 responses 90 views 0 likes	Last Post by SteelGreyM 09-03-2025, 06:22 PM
Reputatable Recaro Sportster CS Sellers by akamin68 Started by akamin68, 08-25-2025, 02:46 PM	14 responses 414 views 0 likes	Last Post by zivagolee 09-03-2025, 06:16 PM
Best option for headers + cats by spooni Started by spooni, 10-17-2023, 10:20 AM	102 responses 6,310 views 0 likes	Last Post by Stilt 09-03-2025, 06:43 AM
Which BBK by ac427 Started by ac427, 08-29-2025, 08:51 AM	11 responses 363 views 0 likes	Last Post by ac427 09-03-2025, 06:26 AM
Anyone else crack their sway bar mounting bracket? by Maxhouse97 Started by Maxhouse97, 08-23-2025, 06:44 PM	9 responses 335 views 0 likes	Last Post by SteelGreyM 09-03-2025, 04:52 AM
PRSTG Porsche 17Z BBK by Phoenix///M3 Started by Phoenix///M3, 08-25-2025, 09:31 AM	6 responses 391 views 2 likes	Last Post by WestBankM4 09-02-2025, 01:43 PM
Oil pressure gauge by chris719 Started by chris719, 09-01-2025, 11:51 PM	1 response 92 views 0 likes	Last Post by bigjae46 09-02-2025, 05:26 AM
Rear Clunk Around Corners - Recording Inside by Carbonvert Started by Carbonvert, 07-10-2024, 05:20 PM	17 responses 613 views 0 likes	Last Post by TexaZ3 09-01-2025, 06:49 PM
Oil filter housing replacement by Jarvis Started by Jarvis, 09-01-2025, 04:10 PM	1 response 86 views 0 likes	Last Post by 6speedS54 09-01-2025, 06:16 PM
S54 timing chain guide by Ajcanadian Started by Ajcanadian, 02-01-2022, 04:14 AM	31 responses 3,675 views 0 likes	Last Post by heinzboehmer 08-29-2025, 03:46 PM
Carbon Fiber Doors Finally Finished (Almost) by bigjae46 Started by bigjae46, 10-07-2024, 06:34 PM	3 responses 373 views 6 likes	Last Post by bigjae46 08-27-2025, 07:04 AM
2002 E46 M3 6MT vacuum Leak overhaul part list by y2k_o__o Started by y2k_o__o, 08-12-2024, 11:14 PM	11 responses 1,275 views 2 likes	Last Post by Bebop 08-26-2025, 05:00 AM
Wheel I.D. by Kdubski Started by Kdubski, 08-21-2025, 11:09 AM	7 responses 195 views 0 likes	Last Post by Nardo S54 08-25-2025, 10:45 AM
Strut brace clearance issues after engine mount replacement by m3panda Started by m3panda, 08-23-2025, 06:50 PM	5 responses 170 views 0 likes	Last Post by Gt4 08-25-2025, 05:29 AM
Stainless Braided Clutch Lines — Primary to Secondary? by LSB4Me Started by LSB4Me, 08-24-2025, 12:40 AM	4 responses 129 views 0 likes	Last Post by Halftim3 08-24-2025, 12:38 PM
Euro header install - euro O2 sensor routing? by Maxhouse97 Started by Maxhouse97, 06-09-2025, 06:01 PM	22 responses 486 views 0 likes	Last Post by Maxhouse97 08-24-2025, 05:26 AM
Mile End Composite carbon fiber cabin filter housing by Gt4 Started by Gt4, 04-11-2024, 04:13 PM	26 responses 1,111 views 8 likes	Last Post by WBVenom 08-23-2025, 02:38 PM
Price Increase for Throttle Body Actuator by 0-60motorsports Started by 0-60motorsports, 08-02-2025, 10:42 PM	25 responses 791 views 0 likes	Last Post by PSUEng 08-23-2025, 12:11 PM
M3 - Intermittent – Start then Dies…… by yanto Started by yanto, 04-08-2022, 10:57 AM	14 responses 1,491 views 0 likes	Last Post by nextelbuddy 08-23-2025, 12:08 PM
Question re Clutch Pedals: Rogue vs Mason by LSB4Me Started by LSB4Me, 08-16-2025, 11:41 AM	18 responses 466 views 0 likes	Last Post by CrookedCommie 08-23-2025, 05:04 AM
Diagnosing a front-end clunk upon acceleration by prostcfc Started by prostcfc, 08-21-2025, 11:54 AM	0 responses 52 views 0 likes	Last Post by prostcfc 08-21-2025, 11:54 AM

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E46 (2001 - 2006)