ECS & Stoptech E46 M3 Sweepstakes - Build List
With a high-strung S54 inline six under the hood, a manual 6-speed transmission, LSD rear end, and competent suspension, the E46 M3 is a great platform out of the box. That isn’t to say it can’t be improved, however, which is exactly what we did. Below, we’ve listed everything we upgraded on the M3 before it was delivered to the lucky new owner who is surely enjoying our tasteful upgrades provided by our partners that help bring out the full potential of this incredible machine.
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Fits:
E46 M3
E46 M3 B16 PSS10 Coilover System
Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty!
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Brand:
ES#:
11158
Mfg#:
48-126687
E46 M3 Stage 1 Performance Clutch Kit - With Single Mass Flywheel
For moderately modified cars or performance oriented driving style
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Brand:
ES#:
3220838
Mfg#:
MA-006-054
Full Supersprint Exhaust System - Race (63.5mm)
Full stainless steel exhaust system with sport cats and Race sound muffler for added power and aggressive sound!
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Brand:
ES#:
3698274
Mfg#:
044001KT4
Supersprint Stepped Section 1 Metallic Sport Cats (63.5mm)
Increase performance and maintain emissions
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Brand:
ES#:
3033376
Mfg#:
044002
Supersprint Section 2 Straight Pipes (60mm)
A more aggressive sound and increased power
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Brand:
ES#:
3024760
Mfg#:
787513
Center Exhaust Twin Pipe - Non-Resonated (63.5mm)
Increase the power potential of your BMW with these performance exhaust pipes from Supersprint!
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Brand:
ES#:
3610297
Mfg#:
044013
Supersprint Race Mufflers
Lightweight Racing design for maximum performance & sound
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Brand:
ES#:
3033342
Mfg#:
044006
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.
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Brand:
ES#:
2992660
Mfg#:
7058
Race-spec Dual-pass oil cooler
True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components.
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Brand:
ES#:
2992675
Mfg#:
8032
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.
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Brand:
ES#:
3647385
Mfg#:
034-509-3646
Carbon Fiber Roof Panel
Light weight roof panel replacement
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Brand:
ES#:
3469609
Mfg#:
0131T004
Shark Injector V2.0 Performance Software
Removes top speed limiter, raises rev limit to 8,250rpm, improves throttle response, and improves power output - max gains of 22hp and 16tq!
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Brand:
ES#:
3604772
Mfg#:
N4S54MV
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Availability:
Ships on Aug 11, 2026
Ships on Aug 11, 2026
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!
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Brand:
ES#:
3028370
Mfg#:
TSU9940B77
Turner Motorsport Front control arm Performance Kit
A more precise, smoother handling option with no negative feedback - with Lemforder Control Arms
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Brand:
ES#:
3426967
Mfg#:
013276TMS01A-03
Complete Turner Motorsport Reinforcement Package - (NO LONGER AVAILABLE)
Add strength to your M3
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Brand:
ES#:
3028093
Mfg#:
T46REINF-M3
No longer available
Turner Motorsport Front/Rear 30/25 Sway Bar Upgrade kit
Reduce body roll and understeering
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Brand:
ES#:
3022944
Mfg#:
33355TMS
Turner Motorsport Custom Length Adjustable Front Sway Bar End Links (Pair)
Exactly what you need when lowering your vehicle to keep your suspension geometry happy
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Brand:
ES#:
3084710
Mfg#:
TMS2104
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Availability:
In Stock
In Stock
E46 M3 Turner Motorsport Solid Aluminum Differential Race Mounts - Pre-Installed
An aggressive mount design for increased response and reduced drivetrain loss pre-installed for a direct bolt on install.
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Brand:
ES#:
3491410
Mfg#:
TDR4680035-01
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
Turner Double Adjustable Short Shift Kit - E46 M3
Knob height and throw adjustable to fine tune your driving experience.
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Featuring Quick Change rally lever extensions!
Featuring Quick Change rally lever extensions!
Brand:
ES#:
3607842
Mfg#:
013264TMS07
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Availability:
Ships on Aug 4, 2026
Ships on Aug 4, 2026
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Lifetime Replacement
Turner Motorsport Sealed Monoball Rear Trailing Arm Bushings (RTAB)
The ultimate rear trailing arm bushings for your street or track BMW. Permits full articulation without undesirable alignment changes.
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Brand:
ES#:
3552810
Mfg#:
017738TMS02
Turner Motorsport Carbon Fiber High Kick Rear Lip Spoiler
A beautiful high kick carbon spoiler that pays homage to CSL while flowing perfectly with E46 coupe body lines!
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Brand:
ES#:
3603722
Mfg#:
024707TMS01
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Availability:
In Stock
In Stock
E46 M3 Turner Carbon Fiber Diffuser
Add aggressive styling to your rear end with Turner In-House Engineered Carbon Fiber Rear Diffuser!
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Brand:
ES#:
4005299
Mfg#:
028937TMS01
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
WPC Performance Rod Bearing Replacement Kit
Includes everything needed for a rod bearing service, featuring WPC treated rod bearings.
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Stronger & smoother, with less friction!
Stronger & smoother, with less friction!
Brand:
ES#:
2992679
Mfg#:
11247835439KT2
Liqui Moly Synthoil Race Tech GT1 Oil Change Kit / Inspection I
Everything needed for a complete oil service including Liqui Moly Race Tech GT1 oil and a Hengst filter
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Brand:
ES#:
2960049
Mfg#:
11427833769LMKT