Top Mods for your BMW E46 M3!
ECS loves helping you make your car all it can be; that's why we've put all the top of the line performance parts for your E46 M3 together in one place. This list, compiled by our own BMW gurus, is everything you need to outfit your car with all those goodies you've wanted for your build. Let's make race season even more fun with all the best performance parts for your E46 M3!
Hand Selected By Our Team Of Enthusiasts
For Your BMW:
E46 M3 S54
BR Series Coilover Suspension Kit - E46 M3
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
Brand:
ES#:
3509408
Mfg#:
I-14-BR
E46 M3 ECS Performance Adjustable Coilover System
Improve the Comfort, Performance, and Style of your E46 M3!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4000580
Mfg#:
029308ECS01
E46 M3 B12 Pro-Kit Suspension System
Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty!
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2681163
Mfg#:
46-000613
Turner Motorsport Front/Rear (30mm/25mm) Sway Bar Upgrade kit
Reduce body roll and understeering
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3022944
Mfg#:
33355TMS
Rear Adjustable Camber Arm Set - Street
With rubber bushing for comfort on the street with adjustability for street and track performance. Made in the USA!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3028370
Mfg#:
TSU9940B77
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Availability:
In Stock
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E46 M3 Turner Motorsport Polyurethane Front Control Arm Bushings - 80A - Pre-Installed In Brackets
A softer option versus 95a poly, Turner's 80a provides more engaging handling for the enthusiast seeking a spirited driving experience.
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Brand:
ES#:
3449265
Mfg#:
020351TMS01-03
E46 M3 Carbon Fiber Intake Kit
Designed for optimum performance while adding a unique style
Expect power increases of 10-15hp, 8-12ft-lb - even more with performance software.
Brand:
ES#:
3191577
Mfg#:
EVEE46INT
E46 M3 Magnum FORCE Pro 5R Stage 2 Air Intake System
Excellent sound & power - the ultimate performance intake! +12hp & +11lb/ft!
CARB certified for sale in all 50 states
Brand:
ES#:
519356
Mfg#:
54-10462
EO#:
D-550-38
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Availability:
In Stock
In Stock
High-Performance Ignition Service Kit - S54 3.2L
Everything needed for a performance ignition service including NGK spark plugs and Turner ignition coils!
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Brand:
ES#:
4726367
Mfg#:
TMSS54IGNKT
WPC-Treated Race Series Rod Bearing Set - S54
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4845593
Mfg#:
S54-WPC-RB
E46 M3 High Performance Aluminum Radiator
Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components.
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2992660
Mfg#:
7058
034Motorsport Solid Rubber Engine And Trans Mount Set
Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts.
Brand:
ES#:
3647385
Mfg#:
034-509-3646
Engine Mount - 75A Durometer (Pair)
Keep your engine securely mounted with our solid, non-fluid filled mounts. Can be sold individually (ES4335401)
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4375397
Mfg#:
1181228379812KT
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Availability:
Ships on Sep 1, 2026
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Ships on Sep 1, 2026
Turner Motorsport Front Adjustable Camber/Caster Plates - Street polyurethane bushings
Featuring serviceable polyurethane bushings for no compromise to comfort.
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Brand:
ES#:
3085610
Mfg#:
TSU4680501
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Availability:
In Stock
In Stock
S54 Power Pulley Kit
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
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Gains of up to 10hp on a stock M3!
Gains of up to 10hp on a stock M3!
Brand:
ES#:
3191638
Mfg#:
PPK-S54
Supersprint Race Mufflers
Lightweight Racing design for maximum performance & sound
Brand:
ES#:
3033342
Mfg#:
044006
E46 M3 S54 Turner Motorsport Bump Steer Correction Kit
Correct your bump steer with Turner Motorsport Adjustable Tie Rods
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4404996
Mfg#:
008616LA01KT
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Availability:
Ships in 1 Business Day
Ships in 1 Business Day
Turner Triple Baffled Power Steering Reservoir - Straight Mount
Eliminate the grimy, leaky, factory BMW power steering expansion tank with a beautiful billet aluminum reservoir.
Upgraded for thermal capacity, performance and extended rack life!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4616136
Mfg#:
004898LA01SKT
Turner Motorsport Performance Parking Brake Actuator/Expanding Lock - Pair
Improves the ratio of your actuator from 3:1 to 4:1
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Brand:
ES#:
4615427
Mfg#:
013313LA01KT
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Availability:
Ships on Sep 30, 2026
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Ships on Sep 30, 2026
Performance Flywheel & Performance Organic Clutch Kit
Improve throttle response, acceleration and clutch feel - the perfect setup for daily-driven and light track use vehicles, supporting up to 375 ft/lbs of torque!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3172569
Mfg#:
000282ECS01KT2
Billet Short-Shifter Kit
Reduce shift throw without increased noise - civilized performance for the discerning enthusiast
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Not compatible with the 6-speed manual that was introduced for the 2004-06 model years on the 330i/ci (this includes all ZHP cars) nor the 2001-05 325xi/330xi.
Not compatible with the 6-speed manual that was introduced for the 2004-06 model years on the 330i/ci (this includes all ZHP cars) nor the 2001-05 325xi/330xi.
Brand:
ES#:
3149098
Mfg#:
D550-1004
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Availability:
In Stock
In Stock
Solid Rear Subframe Bushing Set
Reduce deflection for increased rear-end stability
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3006341
Mfg#:
TDR4680014
Turner Motorsport Aluminum Skid Plate - Mill Finish
The ultimate upgrade for belly pan replacement is here!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3476488
Mfg#:
021470TMS04KT
E46 M3 Turner Carbon Fiber Diffuser
Add aggressive styling to your rear end with Turner In-House Engineered Carbon Fiber Rear Diffuser!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4005299
Mfg#:
028937TMS01
E46 M3 Turner Motorsport ABS Diffuser
Add aggressive styling to your rear end with Turner In-House Engineered ABS Rear Diffuser!
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Brand:
ES#:
4140246
Mfg#:
028979TMS01
Blackout Grille Set - Gloss Black - E46
Add style and individuality to your BMW in minutes!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2747964
Mfg#:
BM01-4603-BK
Turner Motorsport ABS High Kick Rear Spoiler - E46 Coupe
Add aggressive styling to your BMW at an affordable price!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4033291
Mfg#:
001271LA01
CSL Replica Bumper Conversion - Front
The closest thing to a real CSL
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Brand:
ES#:
2594885
Mfg#:
CSLE46M3FT
ECS BMW Performance 6-Piston Front Big Brake Kit
Give your BMW incredible stopping power with BMW Performance calipers from the 135i performance braking package. With Genuine BMW rotors and ECS DD23 Daily Driver pads.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3470592
Mfg#:
341136462AKT1