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e46 Coding/Tuning

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e46 Forced Induction

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by Bayern///M3

06-01-2026, 11:31 AM

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Sticky: Dumb Question Thread - No Flaming Allowed by IamFODI Started by IamFODI, 09-12-2020, 08:07 AM	2,712 responses 61,741 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 40,137 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 24,540 views 10 likes	Last Post by elborikua 10-10-2025, 05:22 AM
rod knock, vanos, or normal ? by Moi Started by Moi, 08-01-2023, 06:56 AM	44 responses 1,156 views 0 likes	Last Post by Moi 08-09-2023, 03:15 PM
Super Sprint /karbonius by trademe426 Started by trademe426, 03-14-2023, 08:04 PM	56 responses 2,188 views 0 likes	Last Post by trademe426 08-09-2023, 02:25 PM
Bank 2, too lean by Cubieman Started by Cubieman, 08-07-2023, 07:15 AM	17 responses 592 views 0 likes	Last Post by S54B32 08-09-2023, 05:49 AM
OBD Fuel Trim vs ECUWorx DME Utility LTFT by Shonky Started by Shonky, 04-26-2021, 06:52 PM	14 responses 592 views 0 likes	Last Post by sapote 08-08-2023, 08:33 PM
E46 M3 6MT Shifting Problem by sbay Started by sbay, 04-29-2020, 03:10 PM	11 responses 1,643 views 0 likes	Last Post by simonnim 08-08-2023, 03:19 PM
Arizona shop recommendations by Alaskadude Started by Alaskadude, 07-12-2023, 08:48 PM	2 responses 125 views 0 likes	Last Post by Chas3n 08-08-2023, 01:21 PM
SMG pump: can you hear it running when driving? by sapote Started by sapote, 06-30-2023, 01:14 PM	13 responses 433 views 0 likes	Last Post by jayjaya29 08-08-2023, 04:20 AM
Installing driver airbag properly by Leafsrule531 Started by Leafsrule531, 08-02-2023, 05:59 PM	6 responses 206 views 0 likes	Last Post by bagger 08-07-2023, 04:38 PM
OEM or Genuine BMW for VANOS Gasket 11367831938? by artyM3 Started by artyM3, 08-06-2023, 10:40 PM	4 responses 209 views 0 likes	Last Post by artyM3 08-07-2023, 10:04 AM
Water Temp Fluctuation - Rising while driving. Normal when idling by AWE46M3 Started by AWE46M3, 06-22-2023, 05:05 PM	40 responses 1,739 views 1 like	Last Post by 0-60motorsports 08-06-2023, 09:14 PM
Sudden Looseness On One Side by 01SG Started by 01SG, 08-06-2023, 09:51 AM	0 responses 117 views 0 likes	Last Post by 01SG 08-06-2023, 09:51 AM
OEM Brake Pad Reformulation by Kdubski Started by Kdubski, 07-18-2023, 11:33 AM	20 responses 838 views 0 likes	Last Post by Black107 08-06-2023, 05:59 AM
Dumb exhaust question by Leafsrule531 Started by Leafsrule531, 08-01-2023, 04:31 PM	16 responses 444 views 0 likes	Last Post by bigjae46 08-03-2023, 04:30 PM
Front Lower Fender Liner Removal - Track Car by eacmen Started by eacmen, 07-30-2023, 08:26 AM	5 responses 797 views 0 likes	Last Post by Obioban 08-03-2023, 12:19 PM
rusty residue around cyl 5 sparkplug... headgasket? by ATB88 Started by ATB88, 07-28-2023, 05:59 PM	15 responses 911 views 0 likes	Last Post by George Hill 08-03-2023, 05:22 AM
Karbonius CSL Airbox Boot Fitment Question by simplem3 Started by simplem3, 07-17-2023, 02:22 PM	4 responses 405 views 0 likes	Last Post by simplem3 08-02-2023, 08:05 PM
SMG specific longitudinal acceleration sensor question by nextelbuddy Started by nextelbuddy, 07-31-2023, 07:06 PM	5 responses 1,102 views 0 likes	Last Post by nextelbuddy 08-01-2023, 07:42 PM
Need help making a decision (regarding diff) by ugaexploder Started by ugaexploder, 07-31-2023, 08:51 AM	14 responses 402 views 0 likes	Last Post by bigjae46 08-01-2023, 04:01 PM
Head Surface machined by Arith2 Started by Arith2, 08-01-2023, 11:14 AM	0 responses 115 views 0 likes	Last Post by Arith2 08-01-2023, 11:14 AM
Amber side marker lens? by simonnim Started by simonnim, 08-01-2023, 07:18 AM	2 responses 139 views 0 likes	Last Post by simonnim 08-01-2023, 07:36 AM
climate comfort windscreen by syoshi0311 Started by syoshi0311, 04-24-2022, 03:10 AM	12 responses 2,253 views 0 likes	Last Post by nextelbuddy 07-31-2023, 06:49 PM
Solid Subframe Bushings by BTB Started by BTB, 12-15-2021, 06:33 PM	42 responses 2,598 views 0 likes	Last Post by 9kracing 07-31-2023, 01:18 PM
Anyone know of a good DIY for installing the epoxy/rivet vincebar? by Obioban Started by Obioban, 02-19-2021, 09:33 AM	19 responses 1,136 views 0 likes	Last Post by Cubieman 07-31-2023, 01:05 PM
Best quality aftermarket mic? by jrgatfh Started by jrgatfh, 07-29-2023, 06:45 PM	6 responses 540 views 0 likes	Last Post by jrgatfh 07-31-2023, 10:23 AM
Oily Throttle Body by mr_metropolitan Started by mr_metropolitan, 07-30-2023, 12:59 PM	2 responses 219 views 0 likes	Last Post by maupineda 07-30-2023, 04:23 PM
DMTL Error Code: B0/51 - Abort tank-leak diagnosis due to moisture by elrichmeister Started by elrichmeister, 07-30-2023, 10:21 AM	0 responses 221 views 0 likes	Last Post by elrichmeister 07-30-2023, 10:21 AM
CSL Airbox Ducting with Standard M3 Bumper by jbfrancis3 Started by jbfrancis3, 07-13-2020, 10:34 AM	20 responses 3,681 views 2 likes	Last Post by 10figs 07-30-2023, 09:31 AM
ABS Connectors by S54330Ci Started by S54330Ci, 07-28-2023, 02:50 PM	2 responses 322 views 0 likes	Last Post by S54330Ci 07-30-2023, 09:25 AM
Please help me identify this CSL-style diffuser by karter16 Started by karter16, 07-29-2023, 01:03 PM	2 responses 150 views 0 likes	Last Post by karter16 07-29-2023, 08:30 PM
ARP Head Studs - Opinions by Arith2 Started by Arith2, 07-21-2023, 11:17 PM	32 responses 1,211 views 0 likes	Last Post by tlow98 07-29-2023, 12:40 PM
Vanos - Beginner Questions by artyM3 Started by artyM3, 07-29-2023, 11:12 AM	2 responses 162 views 0 likes	Last Post by artyM3 07-29-2023, 12:23 PM
SMG guys, Need help to identity SMG noise by RazorM Started by RazorM, 07-22-2023, 02:57 AM	11 responses 599 views 1 like	Last Post by eacmen 07-29-2023, 07:22 AM
Avin Avant 3 Internal Amplifier by Icecream Started by Icecream, 01-21-2021, 02:59 PM	18 responses 669 views 2 likes	Last Post by DELUXA1 07-28-2023, 11:48 PM
Trackspec Hood Vent Aero Test (Video) by eacmen Started by eacmen, 07-26-2023, 05:03 PM	12 responses 625 views 0 likes	Last Post by eacmen 07-28-2023, 02:52 PM
Beisan Vanos diy'ers: splined shaft cover giving me trouble by bavarian3 Started by bavarian3, 07-26-2023, 05:42 PM	12 responses 297 views 0 likes	Last Post by sapote 07-28-2023, 10:06 AM
2005 SMG - Tinny Rattle from the Back Half of the Car by Andratch Started by Andratch, 07-14-2023, 07:35 AM	16 responses 363 views 0 likes	Last Post by Andratch 07-27-2023, 04:04 PM
Could someone confirm if these rear sway bar bushings are compatible? by CarbonBlkM3 Started by CarbonBlkM3, 07-24-2023, 07:27 AM	3 responses 245 views 0 likes	Last Post by old///MFanatic 07-26-2023, 10:16 AM
Cat Cams 288/280 with Oil Bridge mod by jager911 Started by jager911, 01-31-2022, 09:36 AM	15 responses 1,227 views 0 likes	Last Post by bmwfnatic 07-25-2023, 12:40 PM
N/A by Sprp85 Started by Sprp85, 07-21-2023, 02:04 PM	13 responses 467 views 0 likes	Last Post by simonnim 07-25-2023, 08:30 AM
Overheating while running A/C by SGM330 Started by SGM330, 07-04-2020, 08:54 PM	111 responses 4,259 views 0 likes	Last Post by eacmen 07-25-2023, 07:52 AM

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E46 (2001 - 2006)