E46 (2001 - 2006) - NA M3 Forums

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e46 Parts For Sale/Want to Buy

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Last Post: FS: Karbonius CSL Airbox (2x2 weave) + snorkel (with IAT sensor placement)

5,067

23,477

FS: Karbonius CSL Airbox (2x2 weave) + snorkel (with IAT sensor placement)

by davidinnyc

Yesterday, 06:19 PM

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e46 Coding/Tuning

Topics: 429 Posts: 4,387

Last Post: CSL '0401' Program Binary Disassembly Notes

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4,387

CSL '0401' Program Binary Disassembly Notes

by Niklas

10-07-2026, 05:44 AM

e46 Forced Induction

Topics: 48 Posts: 505

Last Post: ID - California - 1JZ Swapped E46

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ID - California - 1JZ Swapped E46

by AWE46M3

08-13-2026, 10:50 PM

Group Buys

Topics: 49 Posts: 3,046

Last Post: Antigravity Battery Forum Discount

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Antigravity Battery Forum Discount

by 9kracing

07-08-2026, 08:00 PM

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, 08:07 AM	2,823 responses 78,065 views 1 like	Last Post by oceansize Today, 11:13 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	94 responses 26,301 views 10 likes	Last Post by dhoke1 09-24-2026, 03:14 PM
Sticky: S54 Dyno Database by stash1 Started by stash1, 03-24-2020, 10:51 AM	553 responses 45,310 views 0 likes	Last Post by eMahle 09-24-2026, 06:18 AM
Sticky: e46 M3 Press/Media by Obioban Started by Obioban, 03-20-2020, 09:13 AM	125 responses 8,838 views 1 like	Last Post by R60BBA 09-10-2026, 02:45 PM
Sticky: e46 M3 Community-designed CAD files Master List by karter16 Started by karter16, 07-12-2024, 12:58 PM	112 responses 8,508 views 12 likes	Last Post by Arclitgold 08-16-2026, 06:28 PM
Sticky: Welcome! Read this first by Obioban Started by Obioban, 03-19-2020, 12:18 PM	197 responses 8,348 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 22,000 views 3 likes	Last Post by Paulo337 05-09-2026, 03:43 PM
Sticky: e46 M3 maintenance/lockdown thread by Obioban Started by Obioban, 04-08-2020, 09:13 AM	27 responses 13,593 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 13,171 views 5 likes	Last Post by Mystic03 10-27-2025, 05:00 AM
S54 running (slightly) rich by Shonky Started by Shonky, 09-19-2021, 11:35 PM	54 responses 2,998 views 0 likes	Last Post by bagger 08-08-2026, 04:00 PM
Can you lube the clutch pedal? by dog2bert Started by dog2bert, 07-28-2026, 10:30 AM	13 responses 300 views 0 likes	Last Post by Tbonem3 08-08-2026, 12:00 PM
Posting in classifieds by Caveman Started by Caveman, 03-22-2020, 10:48 AM	25 responses 1,121 views 0 likes	Last Post by blknsilver4life 08-08-2026, 10:52 AM
E9x m3 hood vents by jpiazzam3 Started by jpiazzam3, 08-08-2026, 10:37 AM	1 response 69 views 0 likes	Last Post by WestBankM4 08-08-2026, 10:42 AM
Nav delete on a track car by E46m3zcp Started by E46m3zcp, 08-06-2026, 03:50 PM	9 responses 202 views 0 likes	Last Post by bigjae46 08-08-2026, 07:46 AM
How are injector faults actually detected by the DME? by ac427 Started by ac427, 08-07-2026, 03:37 AM	1 response 102 views 0 likes	Last Post by sapote 08-07-2026, 08:41 AM
Aux Fan Controller running main fan, mounting solutions/ideas? by BigRussia Started by BigRussia, 07-27-2026, 02:31 PM	8 responses 196 views 0 likes	Last Post by BigRussia 08-06-2026, 05:59 AM
Haven’t started car in almost a year. by SteelGreyM Started by SteelGreyM, 07-30-2026, 07:35 AM	6 responses 292 views 0 likes	Last Post by dHam_Slow.46M 08-05-2026, 11:08 PM
E36 Rear Diff Bushings - how do they feel? by m3panda Started by m3panda, 07-18-2026, 08:31 AM	10 responses 397 views 0 likes	Last Post by 0-60motorsports 08-05-2026, 09:59 PM
Intermittent throttle cut, rough starts, P0102 / INPA Fault 41 by crx00 Started by crx00, 08-05-2026, 12:32 PM	1 response 68 views 0 likes	Last Post by simplem3 08-05-2026, 04:04 PM
Bad Battery Cable or Battery Safety Terminal? by tr3flip Started by tr3flip, 08-05-2026, 10:09 AM	6 responses 85 views 0 likes	Last Post by ejendow 08-05-2026, 02:30 PM
S54 large sump plug, no not the oil drain plug. by ac427 Started by ac427, 08-30-2024, 10:55 AM	17 responses 832 views 0 likes	Last Post by prostcfc 08-05-2026, 08:07 AM
M3 Stablemates: What else do you have in the garage? by LSB4Me Started by LSB4Me, 10-07-2023, 07:57 AM	471 responses 17,525 views 2 likes	Last Post by 01SG 08-04-2026, 03:55 PM
2003 M3 e46 - Transmission Question by drewlarry Started by drewlarry, 08-04-2026, 05:52 AM	3 responses 112 views 0 likes	Last Post by moproblems 08-04-2026, 12:20 PM
Rear shock mount troubles by Doost Started by Doost, 08-16-2021, 01:24 PM	19 responses 658 views 0 likes	Last Post by Halftim3 08-03-2026, 03:31 PM
M3 S54B32 Rocker Stuck Cylinder 6 Exhaust Cam 8 by Tommo2606 Started by Tommo2606, 08-02-2026, 08:06 AM	11 responses 222 views 0 likes	Last Post by Tommo2606 08-03-2026, 09:16 AM
Battery compartment surface rust; how would you treat this area? by WoGGo Started by WoGGo, 08-01-2026, 12:18 AM	7 responses 212 views 0 likes	Last Post by BMWE46M3 08-03-2026, 06:38 AM
What is this and should it be hot? by Thonas Started by Thonas, 03-27-2021, 09:58 AM	43 responses 1,711 views 0 likes	Last Post by nextelbuddy 08-03-2026, 04:50 AM
P0420 & P0430 codes at same time with new supersprint cats by mcfreid Started by mcfreid, 07-23-2022, 06:36 PM	49 responses 1,723 views 0 likes	Last Post by PSUEng 08-02-2026, 11:23 AM
Best Exhaust Kit for a Daily Driver? Need Some Advice by Jackaustin Started by Jackaustin, 07-25-2026, 06:10 PM	23 responses 703 views 0 likes	Last Post by EthanolTurbo 08-02-2026, 11:01 AM
Vibration - Sound / Feeling by artyM3 Started by artyM3, 07-29-2023, 11:26 AM	12 responses 815 views 0 likes	Last Post by siamkazi 08-01-2026, 03:42 PM
M-Track Mode by SliM3 Started by SliM3, 03-23-2020, 09:07 AM	119 responses 10,848 views 0 likes	Last Post by ac427 08-01-2026, 10:16 AM
Agreed upon value insurance policies by Mpower04 Started by Mpower04, 02-21-2021, 01:17 PM	273 responses 10,946 views 0 likes	Last Post by theOracle 07-31-2026, 10:33 PM
delete by HDdave Started by HDdave, 07-31-2026, 05:53 PM	0 responses 49 views 0 likes	Last Post by HDdave 07-31-2026, 05:53 PM
Most popular wheel size by 03A08M3 Started by 03A08M3, 07-29-2026, 07:38 AM	6 responses 231 views 0 likes	Last Post by Cronenberged 07-31-2026, 09:33 AM
Heater control valve - options? by ChapterM3 Started by ChapterM3, 07-28-2026, 07:42 PM	12 responses 243 views 0 likes	Last Post by ac427 07-31-2026, 07:32 AM
The Silbergrau (Silver Grey) Appreciation Thread by karter16 Started by karter16, 07-29-2022, 11:50 PM	18 responses 4,545 views 2 likes	Last Post by M3LSB.Gab 07-30-2026, 03:15 PM
Refrigerant (PAG) oil in condenser and accumulator by D-O Started by D-O, 07-29-2026, 03:27 AM	7 responses 158 views 0 likes	Last Post by davidf 07-30-2026, 12:02 PM
E46 m3 exhaust setup! I need recommendations by BinBuilt Started by BinBuilt, 07-26-2026, 05:04 PM	9 responses 255 views 1 like	Last Post by RockyMtnM3 07-30-2026, 09:14 AM
Tested and Ready 70° and 75° Thermostat by Anri Started by Anri, 02-29-2024, 06:52 AM	142 responses 5,179 views 7 likes	Last Post by SVT_Blake 07-29-2026, 08:32 PM
Everything about Fat Cat Motorsport Suspension by duracellttu Started by duracellttu, 09-26-2020, 11:17 AM	139 responses 9,566 views 0 likes	Last Post by bigjae46 07-29-2026, 05:22 AM
E46 M3 CSL in the states by MatsB Started by MatsB, 07-16-2026, 10:06 AM	33 responses 1,294 views 1 like	Last Post by 0-60motorsports 07-28-2026, 11:51 PM
Battery Cut-off switches by George Hill Started by George Hill, 07-27-2026, 08:46 AM	3 responses 165 views 0 likes	Last Post by 9kracing 07-28-2026, 08:03 AM
How do you know if you should sell your E46 M3? by 05CherryM3 Started by 05CherryM3, 06-07-2026, 05:59 AM	70 responses 2,138 views 0 likes	Last Post by CrisSilberGrau 07-27-2026, 12:30 PM
Steering rack grease? by chris719 Started by chris719, 07-25-2026, 07:39 PM	1 response 81 views 0 likes	Last Post by sapote 07-25-2026, 09:09 PM
DIY: F10 M5 or F8X M3/M4 Illuminated Shift Knob Install for Alcantara or Custom Shift Boot by Inizes Started by Inizes, 02-28-2021, 03:54 PM	6 responses 2,820 views 4 likes	Last Post by BlueBimmers 07-25-2026, 12:00 PM
Data logging for diagnosis by E46m3zcp Started by E46m3zcp, 07-18-2026, 03:26 PM	6 responses 202 views 0 likes	Last Post by E46m3zcp 07-24-2026, 06:57 PM
OEM3's Unicorn by OEM3 Started by OEM3, 05-12-2021, 10:32 AM	40 responses 3,270 views 7 likes	Last Post by elrichmeister 07-24-2026, 11:51 AM
E46 M3 Fuel Starvation kit - what’s proper fuel pump clocked position? by Radekxpl Started by Radekxpl, 06-06-2023, 06:09 PM	22 responses 1,457 views 0 likes	Last Post by bigjae46 07-24-2026, 05:50 AM
Electrical harness/connector guidance needed (mirror switch relocation) by Bimma360 Started by Bimma360, 03-05-2026, 05:18 PM	15 responses 372 views 0 likes	Last Post by Bimma360 07-22-2026, 08:31 AM

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E46 (2001 - 2006)