We're Open & Here For You.
Shipping 6 Days a Week.
Read our COVID-19 Update
Now Offering CURB-SIDE Pickup / FREE SHIPPING on Orders $49+ *exclusions apply
Sales & Specials

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.
Brand: Suspension Techniques - Corporate Logo
ES#: 2795555
Mfg#: 90896

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$879.00
Free Shipping Free Shipping
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!
For vehicles with 3-Bolt Top Mounts
Brand: BC Racing - Corporate Logo
ES#: 3509423
Mfg#: I-29-BR

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$995.00
Free Shipping Free Shipping
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!
For vehicles with 5-Bolt Top Mounts
Brand: BC Racing - Corporate Logo
ES#: 3509457
Mfg#: I-80-BR

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$995.00
Free Shipping Free Shipping
BR Series Coilover Suspension Kit - Extreme Low
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
For Vehicles with 3 bolt design
Brand: BC Racing - Corporate Logo
ES#: 3639833
Mfg#: I-29E-BR

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
BR Series Coilover Suspension Kit - Extreme Low (5 bolt upper mount)
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
For Vehicles with 5 bolt design
Brand: BC Racing - Corporate Logo
ES#: 3639862
Mfg#: I-80E-BR

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
BR Series Coilover Suspension Kit - Swift Spring Upgrade (5 bolt upper mount)
Featuring 30 levels of adjustment, Swift Springs, and valving that makes the BR Series perfect for both daily drivers and track warriors!
For Vehicles with 5 bolt design
Brand: BC Racing - Corporate Logo
ES#: 3691263
Mfg#: I-80-BR-SPU

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$1319.95
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.
Brand: Assembled By ECS - Corporate Logo
ES#: 3220590
Mfg#: 28878-2KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Jul 6, 2020
Auto Notify
$1013.95
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.
Brand: Assembled By ECS - Corporate Logo
ES#: 3220591
Mfg#: 28877-2KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Jul 6, 2020
Auto Notify
$1013.95
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!
Does Not Fit xDrive Models
Does Not Fit xDrive Models
Brand: Turner Motorsport - Corporate Logo
ES#: 3569911
Mfg#: 023579TMS06

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
Front & Rear Sway Bar Kit
New sway bars from H&R for unrivaled performance and fitment
28mm Front & 20mm Rear
Brand: H&R - Corporate Logo
ES#: 3662233
Mfg#: 72878-2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$686.43
Free Shipping Free Shipping
Turner Performance Adjustable Swaybar End Links - Pair
Eliminate pre-load for your lowered BMW's sway bar!
Brand: Turner Motorsport - Corporate Logo
ES#: 3988422
Mfg#: 025990TMS04

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$249.95
Free Shipping Free Shipping
on orders $49 and up
Turner Motorsport Thrust Arm Monoball Upgrade
The ultimate front thrust arm bushings for your BMW
Brand: Turner Motorsport - Corporate Logo
ES#: 3236188
Mfg#: 021440TMS01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Back Ordered, No ETA
Auto Notify
$330.95
Free Shipping Free Shipping
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.
Brand: SPL Parts - Corporate Logo
ES#: 4017732
Mfg#: SPL-CRB-F3X

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
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.
Brand: SPL Parts - Corporate Logo
ES#: 4017746
Mfg#: SPL-TR-F3X

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
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.
Brand: SPL Parts - Corporate Logo
ES#: 4017735
Mfg#: SPL-CRBN-F3X

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
Turner Motorsport Aluminum Solid Subframe Mount Kit
A Solid upgrade to gain an M connection for your subframe
Brand: Turner Motorsport - Corporate Logo
ES#: 3221028
Mfg#: 021450TMS01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$269.95
Free Shipping Free Shipping
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.
Brand: Turner Motorsport - Corporate Logo
ES#: 3426868
Mfg#: 021449TMS01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$399.95
Free Shipping Free Shipping
Rear Subframe Bushing Kit
Higher performance and a longer service life - precision-engineered to be superior to your stock rubber parts!
Brand: SuperPro - Corporate Logo
ES#: 3045714
Mfg#: SPF3946K

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Direct Ship
$282.48
Free Shipping Free Shipping
Rear Differential Mounts - Solid Delrin Race
An aggressive mount design for increased cornering feel, and improved suspension performance.
Brand: Turner Motorsport - Corporate Logo
ES#: 3028139
Mfg#: TDR9080BD2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$274.95
Free Shipping Free Shipping
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.
Brand: Genuine BMW - Corporate Logo
ES#: 3194898
Mfg#: 31122284529KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$398.52
Free Shipping Free Shipping
Turner Motorsport N55 Performance Software
Simply the best N55 performance software available - tuned for stock or modified cars. Adds serious power and torque with superior driveability. Installs easily through the OBD port.
Offers peak gains of up to 110hp and 174ft-lbs tq!
Brand: Turner Motorsport - Corporate Logo
ES#: 3646920
Mfg#: TN55

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
Starting at$841.95
Free Shipping Free Shipping
on orders $49 and up
N55 Power Pack Stage 1
Perfect starter pack for your road to high horsepower - intake and Turner tune.
Brand: Assembled By ECS - Corporate Logo
ES#: 3691083
Mfg#: N55PPKT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
On Order, ETA Jul 2, 2020
Auto Notify
On SALE Save 15%
$1419.88 $1206.90
Free Shipping Free Shipping
N55 Power Pack Stage 2
Impressive, reliable, consistant power gains - intake, intercooler, and Turner tune.
Brand: Assembled By ECS - Corporate Logo
ES#: 3691085
Mfg#: N55PPKT2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
On Order, ETA Jul 2, 2020
Auto Notify
On SALE Save 15%
$1958.83 $1665.01
Free Shipping Free Shipping
N55 Power Pack Stage 3
Safely maximize N55 engine output - intake, intercooler, high flow catted downpipe, and Turner tune. Max gains +110 horsepower and +174 ft-lbs torque.
For vehicles with a production date after 7/2013
Brand: Assembled By ECS - Corporate Logo
ES#: 3691088
Mfg#: N55PPKT3

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
On Order, ETA Jul 2, 2020
Auto Notify
On SALE Save 15%
$2642.37 $2246.01
Free Shipping Free Shipping
N55 Power Pack Stage 3
Safely maximize N55 engine output - intake, intercooler, high flow catted downpipe, and Turner tune. Max gains +110 horsepower and +174 ft-lbs torque.
For vehicles with production date up to 06/2013
Brand: Assembled By ECS - Corporate Logo
ES#: 3691089
Mfg#: N55PPKT4

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
On Order, ETA Jul 2, 2020
Auto Notify
On SALE Save 15%
$2831.78 $2407.01
Free Shipping Free Shipping
///M Performance Power Kit
Add 35 horsepower without voiding your warranty!
Brand: Genuine BMW M Performance - Corporate Logo
ES#: 2641295
Mfg#: 11122334336

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships in 2 Days
10% off MSRP $1240.00 $1112.07
///M Performance Power Kit
Add 35 horsepower without voiding your warranty!
Brand: Genuine BMW M Performance - Corporate Logo
ES#: 2706253
Mfg#: 11122353337

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships in 2 Days
10% off MSRP $1700.00 $1524.62
Charge Pipe - Cold Side
Upgrade the brittle factory plastic to new Turner Motorsport Cold side charge pipe kit!
Brand: Turner Motorsport - Corporate Logo
ES#: 3970931
Mfg#: 024592TMS01KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$216.95
Free Shipping Free Shipping
on orders $49 and up
Charge Pipe - Hot Side
Increased air flow & reliability over OE!
Brand: Turner Motorsport - Corporate Logo
ES#: 3970933
Mfg#: 024592TMS03KT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
$130.95
Free Shipping Free Shipping
on orders $49 and up

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings