Top Mods for your BMW G20 M340i
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 G20 M340i 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 G20 M340i B58!
Hand Selected By Our Team Of Enthusiast
For Your BMW:
G20 M340i B58 Sedan
Turner Motorsport Carbon Fiber Diffuser - G20 M340i / xDrive
Transform the rear end of your M340 with this Beautiful Carbon Fiber Diffuser!
Custom designed to accentuate the body lines.
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Does not fit factory exhaust tips
Does not fit factory exhaust tips
Brand:
ES#:
4351917
Mfg#:
013748LA01
G20 M340i/xDrive Turner Motorsport Gloss Black Diffuser
Transform the rear end of your M340 with this Beautiful Gloss Black Diffuser!
Custom designed to accentuate the body lines.
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Does not fit factory exhaust tips
Does not fit factory exhaust tips
Brand:
ES#:
4352130
Mfg#:
008653LA01
Turner Motorsport Carbon Fiber Front Lip - G20 M-Sport
The carbon fiber masterpiece that your G20 M Sport has been waiting for. Simple installation using factory mounting locations.
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Only Fits M-Sport Pre-LCI Models
Only Fits M-Sport Pre-LCI Models
Brand:
ES#:
4351722
Mfg#:
013724LA01
G20/G22 M340i/M440i Turner Motorsport Skid Plate
Protect your vehicle's fragile oil pan and under carriage with this 1/8” (3.175mm) thick aluminum skid plate assembly.
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Not Suitable for Vehicles with ZTK Package
Not Suitable for Vehicles with ZTK Package
Brand:
ES#:
4419863
Mfg#:
008770LA09KT
G2x 330i/430i Turner Motorsport Skid Plate
Protect your vehicle's fragile oil pan and under carriage with this 1/8” (3.175mm) thick aluminum skid plate assembly.
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Brand:
ES#:
4447144
Mfg#:
008770LA10KT
Bilstein Evo S Suspension Kit
Transform your BMW with the new EVO S performance suspension from Bilstein
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Brand:
ES#:
4147440
Mfg#:
47-300118
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Availability:
In Stock
In Stock
Sport Spring Set - 28662-2
Average lowering of 1.6" front and 1.5" rear (or 1.2" front and 1.2" rear w/ factory sport suspension)
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We Price Match - Give Us A Call or Chat!
We Price Match - Give Us A Call or Chat!
Brand:
ES#:
3699203
Mfg#:
28662-2
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Availability:
In Stock
In Stock
Turner Front Thrust Arm Monoball Upgrade - Pre-Installed Arms - G29 Z4
The ultimate in control arm upgrades for your G29 chassis!
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Brand:
ES#:
4158796
Mfg#:
005654LA09
Monoball Front Thrust Arm Bushings Upgrade
The ultimate front thrust arm bushings for your BMW
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Brand:
ES#:
4061572
Mfg#:
005654LA01
G2x/G42 B58 Turner Motorsport Carbon Fiber Intake
Beautiful Turner Motorsport Enclosed Carbon Fiber Intake System for the G2x and G42 Chassis. The ultimate intake for your B58 powered BMW. Flows 8% more air than factory intake system!
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Includes high flow turbo inlet pipe
Includes high flow turbo inlet pipe
Brand:
ES#:
4352778
Mfg#:
029201TMS09
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Availability:
Ships on Aug 10, 2026
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Ships on Aug 10, 2026
Carbon Fiber Cold Air Intake
Gain top-end torque and horsepower with this beautiful carbon fiber intake!
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Brand:
ES#:
4339710
Mfg#:
D760-0052
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Availability:
In Stock
In Stock
Eventuri BMW G20 M340I Carbon Intake
The Eventuri intake has been developed to provide the turbo with a less restrictive flow path whilst maintaining low inlet temperatures.
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For Vehicles Produced Post November 2018
For Vehicles Produced Post November 2018
Brand:
ES#:
4414453
Mfg#:
G20B58-V2-INT
B58TU Charge Pipe Kit - Powdercoated Black
Replaces your stock plastic charge pipe improved flow, horsepower, reliability!
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Fits Gen 2 (B58TU) engine only
Fits Gen 2 (B58TU) engine only
Brand:
ES#:
4428289
Mfg#:
090762ECS09
B58 Gen1 JB4 Performance Tuner
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Highest HP gains from Burger Motorsport!
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Not for sale or use in the state of California.
Not for sale or use in the state of California.
Brand:
ES#:
4023465
Mfg#:
JB4-B58
DINANTRONICS X Performance Tuner
Max gains of up to +60 HP and +91 lb-ft TRQ (Crank); +55 HP and +80 lb-ft TRQ (Wheel)
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Brand:
ES#:
4499647
Mfg#:
D440-0152
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Availability:
Ships in 9 Business Days
Ships in 9 Business Days
Performance Charge-Air Cooler "Super Manifold" - Polished Finish - Gen 2 B58 3.0L
The ultimate intake manifold upgrade for your B58 powered Supra or BMW!
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CARB certified for sale in all 50 states
CARB certified for sale in all 50 states
Brand:
ES#:
4389640
Mfg#:
8200
EO#:
D-770
High Performance Front Mount Heat Exchanger w/ Rock Guard
Keep intake temperatures low with this dual-core heat exchanger!
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Brand:
ES#:
4158469
Mfg#:
8154
B58 B48 B46 B38 B36 High Performance Ignition Coil - Priced Each
Modified core windings offer increased spark for a faster and more efficient burn.
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Brand:
ES#:
4039796
Mfg#:
12138643360
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Availability:
Ships on Jul 29, 2026
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Ships on Jul 29, 2026
Active Autowerke GESI Catted Race Downpipe - B58
No CEL Produced from this Downpipe!
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Brand:
ES#:
4313666
Mfg#:
11-062
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Availability:
In Stock
In Stock
CTS Turbo Catted Downpipe
Maximizes exhaust flow for uncompromising performance.
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Brand:
ES#:
4043133
Mfg#:
CTSEXHDP0024CAT
Racing Dynamics Catted Downpipe
Free up your exhaust system and add more power!
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Brand:
ES#:
4460574
Mfg#:
1301058360
Turner Motorsport G-Chassis B58 Carbon Fiber Engine Cover - Gloss
Ditch that OEM plastic for Turner's hand-laid carbon engine cover
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Brand:
ES#:
4488140
Mfg#:
001443TMS01
Turner Stainless Steel Brake Lines - Front & Rear Kit
Made in USA! New low profile hardware for clean mounting look! New superior corrosion resistant coating!
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Brand:
ES#:
4265708
Mfg#:
007340LAFRKT
Exact-Fit Stainless Steel Brake Lines - Front & Rear Kit
DOT-compliant kit to improve pedal feel in your vehicle.
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Brand:
ES#:
4265719
Mfg#:
007340LAFR1KT
20" Tekniform Style 027 - Set Of Four
20"x9" ET30 5x112 - Matte Gunmetal
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Brand:
ES#:
4464535
Mfg#:
027-2KT
G20 Performance Adjustable Coilover System - RWD
Dial in your suspension with 32 way adjustable damping coilovers to improve the Performance, and Style of your 3 series!
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Brand:
ES#:
4355237
Mfg#:
000167LA01