Best Performance Upgrades To Fit Your Budget - 335 N55
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 N55
Fits BMW:
F30 335i N55
F30 335i xDrive N55
ST X Performance Coilover System - Fixed Damping
Height adjustable with average lowering of 1.0"-2.0"F, 1.2"-2.2"R
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#:
2777868
Mfg#:
90896
BR Series Coilover Suspension Kit - 3-Bolt Top Mounts
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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
For vehicles with 3-Bolt Top Mounts
For vehicles with 3-Bolt Top Mounts
Brand:
ES#:
3509423
Mfg#:
I-29-BR
BR Series Coilover Suspension Kit - 5-Bolt Top Mounts
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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
For vehicles with 5-Bolt Top Mounts
For vehicles with 5-Bolt Top Mounts
Brand:
ES#:
3509457
Mfg#:
I-80-BR
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Availability:
Ships in 4 Business Days
Ships in 4 Business Days
BR Series Coilover Suspension Kit - Extreme Low - 3-Bolt Top Mounts
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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
For vehicles with 3-Bolt Top Mounts
For vehicles with 3-Bolt Top Mounts
Brand:
ES#:
3639833
Mfg#:
I-29E-BR
BR Series Coilover Suspension Kit - Extreme Low - 5-Bolt Top Mounts
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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
For Vehicles with 5 bolt design
For Vehicles with 5 bolt design
Brand:
ES#:
3639862
Mfg#:
I-80E-BR
Sport Suspension Kit - H&R Sport Springs/Bilstein B8 Performance Shocks
Greater than the sum of its parts: premium, sporty ride, with 1.3-1.5"F/0.7-1.0" lowering. Lifetime warranty.
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#:
3220590
Mfg#:
28878-2KT
Super Sport Suspension Kit - H&R Super Sport Springs/Bilstein B8 Performance Plus Shocks
Greater than the sum of its parts: premium, sporty ride, with 1.6-1.75"F/1.0-1.3" lowering. Lifetime warranty.
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#:
3220591
Mfg#:
28877-2KT
Adjustable Front/Rear 32/22mm Sway Bar Upgrade Kit
Reduce body roll and under-steer with the Turner Adjustable Front/Rear Upgraded Sway bar kit!
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
Does Not Fit xDrive Models
Does Not Fit xDrive Models
Brand:
ES#:
3569911
Mfg#:
023579TMS06
Front & Rear Sway Bar Kit
New sway bars from H&R for unrivaled performance and fitment
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
We Price Match - Give Us A Call or Chat! 28mm Front & 20mm Rear
We Price Match - Give Us A Call or Chat! 28mm Front & 20mm Rear
Brand:
ES#:
3662233
Mfg#:
72878-2
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Availability:
Ships in 4 Business Days
Ships in 4 Business Days
Turner Performance Adjustable Swaybar End Links - Pair
Eliminate pre-load for your lowered BMW's sway bar!
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#:
3988422
Mfg#:
025990TMS04
Turner Motorsport Thrust Arm Monoball Upgrade
The ultimate front thrust arm bushings for your BMW
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
10X Entries For Our Spin To Win Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
3236188
Mfg#:
021440TMS01
Adjustable Front Caster Rod Monoball Bushings
SPL Parts FKS Series Front Caster Rod Bushings replace the stock flexible rubber bushings with low friction, articulating Spherical Bearings eliminating bushing deflection and reducing friction.
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#:
4017732
Mfg#:
SPL-CRB-F3X
Front Tension Rods
SPL Parts TITANIUM Series Tension Rods provide a wide range of front caster adjustment, allowing precise alignment for optimal turn-in response and to compensate for variances between left and right caster.
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#:
4017746
Mfg#:
SPL-TR-F3X
Non-Adjustable Front Caster Rod Bushings
SPL Parts FKS Series Non-Adjustable Front Caster Rod Bushings replace the stock flexible rubber bushings with low friction, articulating Spherical Bearings eliminating bushing deflection and reducing friction.
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#:
4017735
Mfg#:
SPL-CRBN-F3X
Turner Motorsport GAC Solid Subframe Mount Kit
Designed to meet the strict regulations of Grand-Am, BMW CCA, and other racing series where a solid aluminum mount is not allowed.
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#:
3426868
Mfg#:
021449TMS01
Rear Subframe Bushing Kit
Higher performance and a longer service life - precision-engineered to be superior to your stock rubber parts!
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#:
3045714
Mfg#:
SPF3946K
Rear Differential Mounts - Solid Delrin Race
An aggressive mount design for increased cornering feel, and improved suspension performance.
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#:
3028139
Mfg#:
TDR9080BD2
Front Lower M Control Arm Upgrade kit
The same control arms found on the M3! Adds -0.5 degrees of camber for improved response and handling. Kit replaces both front rear arms and headlight level sensor.
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#:
3194898
Mfg#:
31122284529KT
///M Performance Power Kit
Add 35 horsepower without voiding your warranty!
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#:
2641295
Mfg#:
11122334336
///M Performance Power Kit
Add 35 horsepower without voiding your warranty!
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#:
2706253
Mfg#:
11122353337
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Availability:
Ships in 7 Business Days
Ships in 7 Business Days
Charge Pipe Upgrade Kit
Upgrade the brittle factory plastic to new Turner Motorsport charge pipe kit!
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
10X Entries For Our Spin To Win Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
3970931
Mfg#:
024592TMS01KT
Silicone Turbo Boost Pipe Upgrade Kit
Increased air flow & reliability over OE! Connects the turbo to the intercooler - commonly referred to as a "Hot Side Charge Pipe"
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#:
3970933
Mfg#:
024592TMS03KT
Turner Motorsport Enclosed Carbon Intake
The ultimate intake for your N55 powered BMW, dropping intake temps up to 13 degrees and delivering +7 WHP / +14 lb-ft of torque!
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#:
3639924
Mfg#:
023661TMS17
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Availability:
Ships on Dec 4, 2026
Ships on Dec 4, 2026
Turner Motorsport Open Carbon Intake
The ULTIMATE induction upgrade for your N55 powered BMW—adds +7 WHP / +14 lb-ft of torque!
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#:
3639923
Mfg#:
023661TMS16
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Availability:
In Stock
In Stock
AFE Black Series Carbon Fiber Cold Air Intake System W/Pro 5R Filter
Extremely good looks and performance - only the best for your M2!
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#:
3970600
Mfg#:
58-10004R
AFE Black Series Carbon Fiber Cold Air Intake System W/Pro DRY S Filter
Extremely good looks and performance - only the best for your M2!
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#:
3970599
Mfg#:
58-10004D
Momentum GT PRO 5R Cold Air Intake System w/ Carbon Fiber Trim
An intake that adds style, power, and sound to your engine bay with a gorgeous carbon fiber accent.
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#:
3612896
Mfg#:
54-76311
Turner N55 Baffled Oil Catch Can System
A 4 chamber, baffled oil catch can with valved drain system - complete with an application-specific mounting hardware and silicone hoses
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#:
3570204
Mfg#:
022515TMS04
ECS N55 Baffled Oil Catch Can System
Keep your intake tract clean and oil free, with our ECS Baffled Oil Catch Can System
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#:
3604152
Mfg#:
003779ECS05AKT