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e46 Coding/Tuning

Topics: 418 Posts: 4,223

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Forcing OBD Readiness

by ugaexploder

07-20-2026, 04:44 AM

e46 Forced Induction

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by Bayern///M3

06-01-2026, 11:31 AM

Group Buys

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by 9kracing

07-08-2026, 08:00 PM

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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	2,745 responses 65,255 views 1 like	Last Post by ugaexploder Today, 05:58 AM
Sticky: e46 M3 Community-designed CAD files Master List by karter16 Started by karter16, 07-12-2024, 12:58 PM	107 responses 7,295 views 12 likes	Last Post by M3Hokie 07-06-2026, 10:29 AM
Sticky: Welcome! Read this first by Obioban Started by Obioban, 03-19-2020, 12:18 PM	197 responses 7,515 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 20,887 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 41,770 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 8,216 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 13,346 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 12,740 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 25,147 views 10 likes	Last Post by elborikua 10-10-2025, 05:22 AM
Another Fun 98.44% Increase in Genuine Parts by samthejam Started by samthejam, 01-16-2026, 07:21 PM	35 responses 974 views 0 likes	Last Post by Pklauser 01-26-2026, 03:00 PM
Broomstick Shifter Refurbish/wrap - Any services? by siamkazi Started by siamkazi, 01-24-2026, 07:16 PM	3 responses 123 views 0 likes	Last Post by siamkazi 01-25-2026, 09:56 AM
S54 rebuild by M3loverboy Started by M3loverboy, 01-24-2026, 11:15 AM	1 response 142 views 0 likes	Last Post by Casa de Mesa 01-25-2026, 04:37 AM
Redirect: FS: Motorsport24 / KK Automobile hood by Nate047 Started by Nate047, 01-23-2026, 10:50 PM	—	—
Choosing a tune for your M3 with CSL airbox by karter16 Started by karter16, 01-15-2026, 02:35 PM	3 responses 507 views 21 likes	Last Post by karter16 01-23-2026, 10:00 PM
Question for those with Rogue strut bar by Cubieman Started by Cubieman, 01-23-2026, 04:20 PM	4 responses 105 views 0 likes	Last Post by Cubieman 01-23-2026, 08:26 PM
DIY: New Owner, Would Love Advice by TR_Beastmode Started by TR_Beastmode, 01-05-2026, 06:43 PM	83 responses 1,476 views 1 like	Last Post by TR_Beastmode 01-23-2026, 08:15 PM
Roundel magazine - s54 swap article by nyc951 Started by nyc951, 01-11-2026, 04:54 AM	7 responses 328 views 3 likes	Last Post by nextelbuddy 01-23-2026, 06:00 PM
Battery Light ON, with cold start for few seconds longer by elrichmeister Started by elrichmeister, 04-12-2024, 12:54 PM	29 responses 738 views 0 likes	Last Post by sapote 01-23-2026, 03:38 PM
Feeler: Girodisc 2-piece floating rotors for E46 M3 by r4dr Started by r4dr, 03-02-2021, 02:18 PM	125 responses 7,805 views 4 likes	Last Post by maupineda 01-23-2026, 12:54 PM
Rogue Engineering oil return line vs stock by Nate047 Started by Nate047, 12-31-2025, 07:26 PM	26 responses 581 views 0 likes	Last Post by bigjae46 01-23-2026, 04:58 AM
Corteco VCG by 6speedS54 Started by 6speedS54, 01-17-2026, 04:52 PM	32 responses 552 views 0 likes	Last Post by Cubieman 01-22-2026, 06:03 PM
Redirect: Individual E46 M3 Vlog and build journal by amiao Started by amiao, 01-22-2026, 12:23 PM	—	—
Persistent clunk post RACP repair / rear end refresh (video evidence) by Nate047 Started by Nate047, 01-19-2026, 10:56 PM	9 responses 286 views 0 likes	Last Post by Nate047 01-22-2026, 09:40 AM
Steering Rack Rebuild ?? by PSUEng Started by PSUEng, 07-05-2023, 03:48 PM	66 responses 4,183 views 0 likes	Last Post by Maurzog 01-21-2026, 04:26 PM
Overheating in Extreme Cold Temperatures by S14 Started by S14, 01-12-2026, 08:49 PM	8 responses 254 views 0 likes	Last Post by sapote 01-20-2026, 12:34 PM
19x10 +25 square by 9kracing Started by 9kracing, 01-18-2026, 11:21 AM	8 responses 256 views 0 likes	Last Post by Sharocks 01-20-2026, 07:43 AM
Salt decontamination and undercarrage TLC by ///Marecki Started by ///Marecki, 01-12-2026, 06:06 PM	7 responses 246 views 1 like	Last Post by ///Marecki 01-18-2026, 05:04 PM
Exhaust gaskets - sizes / generic replacements? by Nate047 Started by Nate047, 01-17-2026, 07:36 AM	3 responses 85 views 0 likes	Last Post by 6speedS54 01-18-2026, 02:06 PM
Just Bought a VF 570 E46 M3 – Looking for Baseline & Reliability Advice by M3Mino Started by M3Mino, 01-18-2026, 01:11 PM	1 response 138 views 1 like	Last Post by 1000hp 01-18-2026, 01:26 PM
Replacement Motion Control Suspension adjuster set screw by uberchris Started by uberchris, 01-18-2026, 09:01 AM	1 response 68 views 2 likes	Last Post by Estoril 01-18-2026, 10:52 AM
CSL REGISTER Gone? by 0-60motorsports Started by 0-60motorsports, 08-10-2025, 09:18 PM	48 responses 1,107 views 0 likes	Last Post by DazBlackCSL 01-17-2026, 11:52 PM
Auto Appraiser in Toronto Area by YYZ-M3 Started by YYZ-M3, 01-17-2026, 04:36 AM	0 responses 35 views 0 likes	Last Post by YYZ-M3 01-17-2026, 04:36 AM
GC front sway bar adjustment range question . . . .flat ride related by Big Nodge Started by Big Nodge, 01-14-2026, 04:38 PM	2 responses 111 views 0 likes	Last Post by Big Nodge 01-16-2026, 03:51 PM
CSL AIrbox w/ MAP/IAT flash tune poll by 4getr34 Started by 4getr34, 01-13-2026, 03:00 PM	29 responses 836 views 1 like	Last Post by Gearhead55 01-16-2026, 09:27 AM
What is this on my O2 sensor? by Luminus Started by Luminus, 01-14-2026, 06:37 PM	3 responses 164 views 0 likes	Last Post by SQ13 01-15-2026, 06:12 PM
MRS codes, help diagnosing and understanding by Nate047 Started by Nate047, 01-10-2026, 07:45 PM	9 responses 155 views 0 likes	Last Post by Nate047 01-14-2026, 11:19 PM
Meanwhile, at the roof swap shop . . . by LSB4Me Started by LSB4Me, 01-08-2026, 10:31 PM	19 responses 708 views 6 likes	Last Post by LSB4Me 01-14-2026, 10:50 PM
s54 rebuild by M3loverboy Started by M3loverboy, 01-13-2026, 01:33 PM	5 responses 212 views 0 likes	Last Post by BMWfanz 01-14-2026, 10:29 PM
Standard to Navigation Double-Din bracket by davidinnyc Started by davidinnyc, 01-12-2026, 05:41 PM	3 responses 125 views 2 likes	Last Post by bigjae46 01-14-2026, 04:55 AM
Crank sensor clip part number? by bmwfnatic Started by bmwfnatic, 01-01-2025, 03:48 PM	2 responses 118 views 1 like	Last Post by M.Innovations 01-13-2026, 09:44 PM
RASP Reduction - on Euro setup by simplem3 Started by simplem3, 01-13-2026, 11:13 AM	4 responses 169 views 0 likes	Last Post by simplem3 01-13-2026, 04:03 PM
E46 M3 DCT Conversion by xansabi Started by xansabi, 01-11-2026, 11:47 AM	16 responses 852 views 0 likes	Last Post by liam821 01-13-2026, 08:21 AM
Battery tender / trickle charger recommendations? by Nate047 Started by Nate047, 11-27-2022, 04:19 PM	36 responses 2,062 views 0 likes	Last Post by ZCPIBM3 01-12-2026, 02:08 PM
FCAB Life by ac427 Started by ac427, 01-03-2026, 11:50 AM	13 responses 396 views 0 likes	Last Post by 1000hp 01-11-2026, 03:49 PM
S54 machine specs by M3loverboy Started by M3loverboy, 01-05-2026, 11:31 AM	1 response 154 views 0 likes	Last Post by Ryan_R 01-11-2026, 03:24 PM
Show me your M3 badge placement on your CSL trunk lid by 01M3Fan Started by 01M3Fan, 04-14-2023, 06:12 AM	26 responses 2,454 views 0 likes	Last Post by Avedis 01-11-2026, 02:18 PM
Not your everyday rear big brake setup by maupineda Started by maupineda, 01-11-2026, 10:01 AM	0 responses 109 views 4 likes	Last Post by maupineda 01-11-2026, 10:01 AM
Whats a good low range torque wrench? by Cubieman Started by Cubieman, 05-04-2020, 03:55 PM	76 responses 4,171 views 0 likes	Last Post by 6speedS54 01-11-2026, 08:52 AM
Mini DIY: How to reuse stock throttle body clamps by heinzboehmer Started by heinzboehmer, 07-31-2021, 11:45 AM	6 responses 1,775 views 2 likes	Last Post by 6speedS54 01-11-2026, 08:47 AM

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E46 (2001 - 2006)