E46 (2001 - 2006) - NA M3 Forums

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For Sale: BMW e46 M3 AC Schnitzer authentic 2x2 carbon fiber rear diffuser

by fattycharged

Today, 10:56 AM

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e46 Coding/Tuning

Topics: 403 Posts: 4,068

Last Post: Flashing the MK60 with ZCP software

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Flashing the MK60 with ZCP software

by Exclude3005

02-21-2026, 10:32 PM

e46 Forced Induction

Topics: 47 Posts: 495

Last Post: Just Bought a VF 570 E46 M3 – Looking for Baseline & Reliability Advice

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Just Bought a VF 570 E46 M3 – Looking for Baseline & Reliability Advice

by Atreezy

02-03-2026, 01:45 PM

Group Buys

Topics: 48 Posts: 3,030

Last Post: Gauging Interest on Custom Exhaust

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Gauging Interest on Custom Exhaust

by 9kracing

Today, 06:44 AM

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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	2,575 responses 54,472 views 1 like	Last Post by 0-60motorsports 02-16-2026, 10:38 PM
Sticky: e46 M3 Tire Sizing Thread by liam821 Started by liam821, 03-20-2020, 01:32 PM	85 responses 19,322 views 3 likes	Last Post by liam821 02-10-2026, 09:36 AM
Sticky: e46 M3 Community-designed CAD files Master List by karter16 Started by karter16, 07-12-2024, 01:58 PM	89 responses 5,222 views 11 likes	Last Post by Nate047 01-27-2026, 11:54 AM
Sticky: Welcome! Read this first by Obioban Started by Obioban, 03-19-2020, 01:18 PM	191 responses 6,908 views 29 likes	Last Post by CarbonM3 12-17-2025, 08:02 PM
Sticky: e46 M3 Press/Media by Obioban Started by Obioban, 03-20-2020, 10:13 AM	122 responses 7,747 views 1 like	Last Post by ViN 12-16-2025, 04:59 PM
Sticky: e46 M3 maintenance/lockdown thread by Obioban Started by Obioban, 04-08-2020, 10:13 AM	27 responses 12,860 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 12,224 views 5 likes	Last Post by Mystic03 10-27-2025, 06:00 AM
Sticky: e46 M3 torque spec thread-- every bolt on the car on diagrams by Obioban Started by Obioban, 03-20-2020, 09:56 AM	90 responses 22,985 views 10 likes	Last Post by elborikua 10-10-2025, 06:22 AM
Sticky: S54 Dyno Database by stash1 Started by stash1, 03-24-2020, 11:51 AM	545 responses 37,720 views 0 likes	Last Post by Nardo S54 09-22-2025, 06:58 AM
Need Pinouts/Schematic for Seat Connector To Install a Seat Occupancy Sensor Bypass by Estoril Started by Estoril, 09-23-2023, 02:17 PM	5 responses 1,076 views 0 likes	Last Post by heinzboehmer 09-23-2023, 04:46 PM
Advice on getting the front differential bolt torqued to spec on jack stands by Epsilon Started by Epsilon, 09-13-2023, 10:43 AM	32 responses 784 views 0 likes	Last Post by Epsilon 09-23-2023, 04:05 PM
MSS54 to MSS54HP conversation by Aapex05 Started by Aapex05, 09-21-2023, 06:35 PM	2 responses 169 views 0 likes	Last Post by AWE46M3 09-22-2023, 11:11 PM
Bumper fastener ID by Kdubski Started by Kdubski, 09-19-2023, 10:20 AM	5 responses 187 views 0 likes	Last Post by AWE46M3 09-22-2023, 11:06 PM
Journey to selling my 2004 E46 M3, currently at 29,000 miles by gixxer Started by gixxer, 09-14-2023, 06:39 PM	22 responses 872 views 0 likes	Last Post by Arith2 09-22-2023, 04:23 PM
How rare is my M3? by M3AN ONE Started by M3AN ONE, 07-05-2021, 05:21 PM	87 responses 5,499 views 0 likes	Last Post by Gt4 09-22-2023, 12:26 PM
Why is there oil on spark plug threads on an S54 engine (cold start misfire)? by mattpd Started by mattpd, 08-24-2021, 08:43 AM	11 responses 971 views 0 likes	Last Post by y2k_o__o 09-22-2023, 09:06 AM
Converting to a non-M radiator by bigjae46 Started by bigjae46, 09-20-2023, 04:22 PM	2 responses 244 views 0 likes	Last Post by sapote 09-21-2023, 09:49 PM
Section 1 that's both catted and resonated? by kaiv Started by kaiv, 10-30-2021, 11:12 AM	50 responses 1,657 views 0 likes	Last Post by Cronenberged 09-21-2023, 08:03 AM
Long term S54 storage. by JeremyJames Started by JeremyJames, 09-03-2023, 04:56 PM	9 responses 511 views 0 likes	Last Post by bimmerfan08 09-21-2023, 05:49 AM
Do these PFC rotors need to be replaced? by cornerbalanced Started by cornerbalanced, 09-20-2023, 10:51 AM	5 responses 242 views 0 likes	Last Post by mrgizmo04 09-20-2023, 10:47 PM
S54 vanos issue by BMWfanz Started by BMWfanz, 09-19-2023, 01:15 AM	12 responses 442 views 0 likes	Last Post by BMWfanz 09-20-2023, 10:38 PM
BMW M Power Placement With Rogue or DMG Strut Tower Brace by AWE46M3 Started by AWE46M3, 09-20-2023, 01:15 PM	3 responses 357 views 0 likes	Last Post by Slideways 09-20-2023, 08:47 PM
Weeeird Clutch Issue -- RPMs go UP when clutch pedal in by ATB88 Started by ATB88, 09-11-2023, 07:25 PM	18 responses 358 views 0 likes	Last Post by ATB88 09-20-2023, 09:50 AM
Was there an Autosolutions Comprehensive Thread From a GB? by Cronenberged Started by Cronenberged, 09-12-2023, 05:46 PM	11 responses 593 views 0 likes	Last Post by liam821 09-19-2023, 03:26 PM
SMG E46 M3 Locked Shifter by Stilt Started by Stilt, 09-16-2023, 01:39 PM	7 responses 214 views 0 likes	Last Post by nextelbuddy 09-19-2023, 11:20 AM
White/Green Residue flung onto Fan Shroud by Andratch Started by Andratch, 09-07-2023, 01:16 PM	12 responses 483 views 1 like	Last Post by M3_HTX 09-19-2023, 05:12 AM
Ground Control Bread and Butter vs Dinan Springs/ Shocks by ViN Started by ViN, 09-18-2023, 04:57 PM	2 responses 332 views 0 likes	Last Post by Tbonem3 09-18-2023, 08:32 PM
Elring VCG Failure by duperdog Started by duperdog, 09-08-2023, 11:53 AM	19 responses 719 views 0 likes	Last Post by c watson 09-18-2023, 08:11 PM
Karbonius: CSL full carbon vs Race by ATB88 Started by ATB88, 09-14-2023, 10:28 AM	9 responses 1,247 views 1 like	Last Post by AWE46M3 09-18-2023, 12:16 PM
Quick ISTA+ question by E46m3zcp Started by E46m3zcp, 09-11-2023, 04:38 PM	22 responses 851 views 0 likes	Last Post by Tomba 09-18-2023, 01:09 AM
E46 M3 Factory Training Manual by Ryan_R Started by Ryan_R, 09-15-2023, 07:45 AM	8 responses 839 views 10 likes	Last Post by PSUEng 09-17-2023, 02:53 PM
Best set of coil overs(or other options) for my M3 for my very specific needs? by BigDave Started by BigDave, 11-27-2022, 12:29 AM	60 responses 2,390 views 2 likes	Last Post by cobra 09-16-2023, 08:17 PM
Aftermarket free flowing headers plus cats question by BigDave Started by BigDave, 09-16-2023, 07:51 PM	1 response 548 views 0 likes	Last Post by Slideways 09-16-2023, 08:13 PM
Inexpensive Foglight delete? by JustAWhisper Started by JustAWhisper, 03-21-2021, 02:33 PM	13 responses 3,286 views 0 likes	Last Post by OldRanger 09-16-2023, 05:29 AM
Exploring Potential Solutions for DME After Virginizing with MSSFlasher by Stilt Started by Stilt, 09-12-2023, 01:47 PM	12 responses 528 views 0 likes	Last Post by Stilt 09-15-2023, 01:09 PM
Thoughts on this subframe weld job? by artbun Started by artbun, 09-13-2023, 03:06 PM	8 responses 1,282 views 0 likes	Last Post by oceansize 09-14-2023, 08:34 AM
Help, can someone please measure their rear diff bushings? by Mackshackm3 Started by Mackshackm3, 09-13-2023, 02:56 PM	7 responses 898 views 0 likes	Last Post by jet_dogg 09-13-2023, 10:52 PM
Stalling with no clutch sensor by liam821 Started by liam821, 08-30-2020, 11:49 PM	28 responses 3,231 views 0 likes	Last Post by ugaexploder 09-13-2023, 06:07 PM
Inquiry About SMG Cars by Cronenberged Started by Cronenberged, 08-30-2023, 07:02 AM	24 responses 507 views 1 like	Last Post by maw1124 09-13-2023, 10:00 AM
In search of brand new aluminum drivers door armrest. by c watson Started by c watson, 09-12-2023, 02:38 AM	9 responses 266 views 0 likes	Last Post by maw1124 09-12-2023, 12:35 PM
SMG still missing the up-shift from 3rd to 4th intermittently.. by ShiftLess Started by ShiftLess, 08-29-2023, 09:47 AM	17 responses 342 views 0 likes	Last Post by zivagolee 09-12-2023, 09:35 AM
Cobra Nogaro Munich Edition (CSL Style + CSL Fabric) by Avedis Started by Avedis, 09-08-2023, 11:02 AM	13 responses 1,266 views 0 likes	Last Post by Cubieman 09-11-2023, 03:01 PM
Help identify component on M3 DME circuit board by sapote Started by sapote, 09-01-2023, 07:18 PM	3 responses 201 views 0 likes	Last Post by heinzboehmer 09-11-2023, 02:48 PM
Brey Krause manual seat release handle springs by repoman89 Started by repoman89, 09-11-2023, 12:26 PM	0 responses 90 views 0 likes	Last Post by repoman89 09-11-2023, 12:26 PM
Recommendations for ring and pinion installation by jpiazzam3 Started by jpiazzam3, 09-10-2023, 07:50 PM	2 responses 137 views 0 likes	Last Post by jpiazzam3 09-11-2023, 12:22 PM
E46 M3 rear wheel arches - not enough? by nyc951 Started by nyc951, 09-11-2023, 05:44 AM	10 responses 587 views 0 likes	Last Post by Tbonem3 09-11-2023, 12:19 PM
Avin Avant 4 Fan plug? WTF? by sev Started by sev, 09-10-2023, 04:09 PM	3 responses 176 views 0 likes	Last Post by sev 09-11-2023, 10:08 AM
Issues with CSL SMG Tune After Flashing M3 with ECUWorx Tool by Stilt Started by Stilt, 09-10-2023, 09:38 AM	4 responses 521 views 0 likes	Last Post by Stilt 09-11-2023, 09:10 AM
TC Kline Rear Spring Question by 02_lsb Started by 02_lsb, 09-02-2023, 06:57 PM	25 responses 744 views 0 likes	Last Post by OldRanger 09-10-2023, 03:03 PM

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E46 (2001 - 2006)