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
CSL Big Brake Upgrade Kit (345x28)
Upgrade to ECS 2-piece E46 M3 CSL rotors for increased brake torque and thermal capacity. Reuse your existing calipers, pads, lines, and hardware!
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Going from 325x28mm to 345x28mm Competition Package/CSL rotors is as easy as a brake service!
Going from 325x28mm to 345x28mm Competition Package/CSL rotors is as easy as a brake service!
Brand:
ES#:
2840902
Mfg#:
000505ECS02KT4
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Availability:
Ships on Aug 17, 2026
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Ships on Aug 17, 2026
Turner Motorsport Front TrackSport Rotor Set - 345x28mm
Upgrade your BMW's brakes for the ultimate track performance!
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Brand:
ES#:
4164902
Mfg#:
024120TMS02AKT
Exact-Fit Stainless Steel Brake Lines - Complete Kit
DOT-compliant hoses for the finishing touch
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Brand:
ES#:
11001
Mfg#:
E46698000
2-Piece Lightweight Rear Brake Rotors - Pair (328x20)
Direct bolt-on cross-drilled and slotted replacement - 2-piece semi-floating rotors offer reduced weight and additional cooling capacity versus OEM for improved braking, handling, and ride quality!
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Brand:
ES#:
2986326
Mfg#:
011699ECSKT
19" Tekniform Style 027 - Square Set Of Four
19x9.5" ET35 72.6CB 5x120 - Matte Gunmetal
Brand:
ES#:
4624065
Mfg#:
027-6KT
17" APEX ARC-8 Square Wheel Set - Satin Black
An aggressive, fat fitment. Lightweight, strong, great brake clearances. 17x9.0" ET30.
Brand:
ES#:
3137363
Mfg#:
ARC8179304SB
19" Style 758 Wheels - Square Set Of Four
19x9.5" ET35 5x120 72.6CB - Machined Finish
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Brand:
ES#:
3411416
Mfg#:
758-2KT
E46 M3 Performance Road And Track DFV Coilover Kit
Get top of the line performance and comfort from one of the biggest names in suspension systems, Ohlins. Features 30-Level dampening adjustment and DFV technology!
Brand:
ES#:
3523562
Mfg#:
BMSMI30
E46 M3 Turner Motorsport Control Arm Monoball Upgrade with housings
The best control arm bushing replacement option available! Precise, predicable, handling without the harshness commonly found in solid bushings. Greaseable and serviceable; offered pressed into brackets for fast installation!
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Brand:
ES#:
3247947
Mfg#:
013276TMS
CSL Style Intake Kit - 6MT - Gloss
Includes everything needed to install this legendary intake on your car!
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Brand:
ES#:
4027512
Mfg#:
003313TMS01KT3
CSL Style Intake Kit - 6MT - Matte
Includes everything needed to install this legendary intake on your car!
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Brand:
ES#:
4146497
Mfg#:
003313TMS01KT5
E46 M3 Performance Aluminum Radiator
Fully brazed two-row aluminum core with TIG-welded end tanks
25% increase in coolant capacity with a 32% increase in coolant surface area!
Brand:
ES#:
2766394
Mfg#:
MMRADE4601
Supersprint Performance Muffler (Gen 2)
Updated Sports Style muffler with a refined exhaust note
Brand:
ES#:
3033326
Mfg#:
043926
E46 M3 Valved Performance Catback Exhaust
As close to perfection as you can get. Lightweight, free-flowing valved exhaust with valve controller for a versatile sound experience.
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Brand:
ES#:
4708083
Mfg#:
023410LA09
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Availability:
In Stock
In Stock
Rear Subframe/Chassis Reinforcement Kit - E46
Say goodbye to torn subframe mounting! The industry standard in weld-in E46 subframe reinforcement. Updated in 2020 to provide additional reinforcement!
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Brand:
ES#:
3006359
Mfg#:
TDR4675412
Complete Performance Polyurethane Differential Bushing Set
ECS engineered to improve power application and offer superior service life over factory rubber bushings
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Brand:
ES#:
2748546
Mfg#:
002447ECS03KT