Best Performance Upgrades To Fit Your Budget - 335 N54
Give your BMW upgrades it deserves that your wallet (or significant other) won’t fight. This is our list of the top performance parts to improve your BMW on a budget so you don’t have to compromise between building the car you picture in your head and saving money for your future. Check out our selection of suspension, software, exhaust, intake, visual upgrades, and more, all designed to fit your BMW and your budget.
Best Performance Upgrades To Fit Your Budget - 335 N54
Fits BMW:
E90 335i / xi N54
E92 335i / is / xi N54
E93 335i / is N54
ST X Performance Coilover System - Fixed Damping
Height adjustable with average lowering of 1.2"-2.4"F, 1.2"-2.2"R.
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Brand:
ES#:
4447810
Mfg#:
13220032
ST XTA Performance Coilover System - Adjustable Damping
Featuring adjustable damping and aluminum adjustable camber plates. Average lowering of 1.2-2.4"F, 1.0-2.2"R.
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Brand:
ES#:
2800205
Mfg#:
18220832KT
BR Series Coilover Suspension Kit
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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Brand:
ES#:
3509399
Mfg#:
I-03-BR
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Availability:
In Stock
In Stock
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!
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Brand:
ES#:
2723092
Mfg#:
46-180650
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Availability:
In Stock
In Stock
Performance Suspension Cup Kit - Race
Featuring Koni Yellow shocks and H&R Race lowering springs
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Brand:
ES#:
2581683
Mfg#:
E902SUSKT
Performance Suspension Cup Kit - Sport
Featuring Koni Yellow shocks and H&R Sport lowering springs
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Brand:
ES#:
2581691
Mfg#:
E902SUSSPRTKT
Front Fixed Camber Plates
Simply and inexpensively adds 2.5 degrees of needed negative camber for reduced understeer and reduced tire wear!
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Brand:
ES#:
4000648
Mfg#:
025532TMS01
E9X Performance Adjustable Rear Camber kit
Strong, & Adjustable to fine tune your suspension and get the most out of your vehicle.
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Brand:
ES#:
2858782
Mfg#:
MRSBM0210
ECS Tuning Front & Rear Sway Bar Kit - 28mm Front, 15mm Rear
Eliminate excessive body roll, improve handling, and gain a more engaging driving experience. Includes matched front (28mm) and rear (15mm) sway bars with polyurethane bushings.
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Brand:
ES#:
2828690
Mfg#:
007278ECSKT1
Turner Motorsport Front Control Arm Monoball Upgrade Kit
Comes with both OE curved and straight M arms as a complete assembled kit with bushings and hardware.
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Brand:
ES#:
3132731
Mfg#:
E9X0031313TKT
M3/1M Front Control Arm Upgrade Kit
The most cost effective handling upgrade you'll ever find! (Includes headlight alignment rod)
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Will add about .75 degrees of negative camber to the front for improved handling and tire wear
Will add about .75 degrees of negative camber to the front for improved handling and tire wear
Brand:
ES#:
3613021
Mfg#:
31102283577MKT1
M3/1M Front Control Arm Upgrade Kit
The most cost effective handling upgrade you'll ever find!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Will add about .75 degrees of negative camber to the front for improved handling and tire wear
Will add about .75 degrees of negative camber to the front for improved handling and tire wear
Brand:
ES#:
257469
Mfg#:
E9XM3310801
M3/1M Rear Upper Control Arm Upgrade Kit
The most cost effective handling upgrade you'll ever find!
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Brand:
ES#:
2622633
Mfg#:
33322283547KT4
Turner Motorsport Monoball Front Control Arm Bushings
The ultimate front control arm bushings for your BMW
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Brand:
ES#:
3028393
Mfg#:
TSUE9080QIS
Turner Performance Lower Control Arms - Pair
Fully adjustable roll center, camber, and track width performance control arms that feature headlight adjusting rods!
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Brand:
ES#:
3988303
Mfg#:
025990TMS02
Titanium Series Adjustable Front Lower Control Arms - Street
Adjust roll center, camber, and track width adjustment. Street version includes headlight adjusting rod. Made in the USA!
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Brand:
ES#:
3537058
Mfg#:
SPLFLCAE9X
Titanium Series Adjustable Front Lower Control Arms - Race
Adjust roll center, camber, and track width adjustment. Race version does not include headlight adjusting rod. Made in the USA!
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Brand:
ES#:
3551413
Mfg#:
SPLFLCARE9X
Turner Motorsport Thrust Arm Monoball Upgrade Kit
Comes with both curved arms as a complete assembled kit with bushings and hardware.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3028394
Mfg#:
TSUE9080QIS-ARMS
Adjustable Toe Arms
Eliminate the factory eccentric toe adjustment point to get rid of any unwanted movement or play in your rear end. Easy to adjust Turn Buckles and FK Rod Ends increase your range of toe adjustment in the rear.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4045814
Mfg#:
018139TMS03
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Availability:
In Stock
In Stock
N54 JB4 BMW Performance Tuner
Plug & play power — gain up to 100 horsepower on a stock car, 160+ horsepower on a modified car!
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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#:
3508712
Mfg#:
JB4N54
BMW Cobb Tuning AccessPORT Tuner V3
Flash your ECU and unleash the power your BMW was meant to have.
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Brand:
ES#:
2719257
Mfg#:
AP3-BMW-001
N54 Aluminum Coolant Expansion Tank Relocation Kit - 335i
Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay!
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Compatible with factory/aftermarket cold side intakes as well as hot side intakes!
Compatible with factory/aftermarket cold side intakes as well as hot side intakes!
Brand:
ES#:
3647095
Mfg#:
021942TMS13
Turner Turbo Side Intake - E9x 335i
Relocate your intake & coolant expansion tank for peak gains of 23 WHP and 12 ft-lbs of torque!
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Brand:
ES#:
3706573
Mfg#:
020413TMS115
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Availability:
In Stock
In Stock
Kohlefaser Luft-Technik Intake System
In-house engineered to maximize intake airflow for dyno-proven, industry-leading power gains: up to 18hp and 13ft-lbs of torque - at the wheels!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Hand-laid carbon fiber construction for light weight and dramatic style.
Hand-laid carbon fiber construction for light weight and dramatic style.
Brand:
ES#:
2713282
Mfg#:
000951ECS
Kohlefaser Luft-Technik Twin Cone Intake
In-house engineered for maximum efficiency, optimum air flow, and exquisite style.
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Durable performance twin cone intakes constructed of hand-laid carbon fiber for exceptional performance.
Durable performance twin cone intakes constructed of hand-laid carbon fiber for exceptional performance.
Brand:
ES#:
2953951
Mfg#:
004531ECS02A
Magnum FORCE Pro 5R Stage 2 Air Intake System
Excellent sound & power - the ultimate performance intake! +27hp & +34lb/ft!
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Brand:
ES#:
264141
Mfg#:
54-11472
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Availability:
In Stock
In Stock
18" Style 881 Wheels - Square Set Of Four
18x8.5 ET35 5x120 72.6CB - Silver/Machined Lip
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Brand:
ES#:
2681452
Mfg#:
88111KT
18" Style 881 Wheels - Square Set Of Four
18x9.5" ET35 5x120 72.6CB. Silver with machined finish 2.75" lips!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2681455
Mfg#:
88112KT
18" Style 030 Wheels - Staggered Set Of Four
18x8/18x9 ET35 5x120 72.6CB - Hyper Silver
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
2695481
Mfg#:
030-1KT2