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BMW E88 135i N54 3.0L

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BMW E88 135i N54 3.0L Performance Parts & Upgrades

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N54 Performance Radiator Kit - Automatic/DCT

ES#4730412 - 17117547059eKT - N54 Performance Radiator Kit - Automatic/DCT - Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement. - Assembled By ECS - BMW

Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4730412
Mfg#:
17117547059EKT
In Stock
ON SALE!
$1115.99

This product was last offered at the strikethrough price on
06-16-2026

$1092.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator

ES#4839753 - 004443LA01 - E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your N54 or N55! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your N54 or N55! 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For vehicles with manual transmission only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839753
Mfg#:
004443LA01
In Stock
ON SALE!
$604.99

This product was last offered at the strikethrough price on
06-13-2026

$586.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Belt - N54

ES#4485240 - 7pk1855 - Performance Kevlar Reinforced Belt - N54 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4485240
Mfg#:
7PK1855
Ships on Nov 12, 2026
Auto Notify
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B16 PSS10 Coilover System - Comfort Version

ES#3219279 - 48-195232 - B16 PSS10 Coilover System - Comfort Version - 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! - Bilstein - BMW

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! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
3219279
Mfg#:
48-195232
Ships on Dec 30, 2026
$2499.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TC Kline Racing Single Adjustable Street/Track Coilover Kit

ES#4069950 - TCKE9XSingleKit - TC Kline Racing Single Adjustable Street/Track Coilover Kit - Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 300#F/600#R springs - TC Kline Racing - BMW

Lifetime warranty on street-driven cars! Featuring proprietary single-adjustable Koni dampers, front camber plates, and 300#F/600#R springs

Brand:
TC Kline Racing - Corporate Logo
ES#:
4069950
Mfg#:
TCKE9XSINGLEKIT
Ships in 2 Business Days
$2484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Sway Bar Bundle

ES#4765895 - 034-402-1032 - Dynamic+ Sway Bar Bundle - Maximize handling performance by reducing body roll and improve turn-in - 034Motorsport - BMW

Maximize handling performance by reducing body roll and improve turn-in

Brand:
034Motorsport - Corporate Logo
ES#:
4765895
Mfg#:
034-402-1032
In Stock
ON SALE! SAVE 10%
$820.00

This product was last offered at the strikethrough price on
08-17-2026

$738.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 F-RB+ Turbocharger Kit

ES#4759922 - VTT-N54-FRB - N54 F-RB+ Turbocharger Kit - Vargas Turbo Technologies - BMW

2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4759922
Mfg#:
VTT-N54-FRB
Ships in 10 Business Days
$3599.99 USD
Free Shipping

Racing Dynamics Front Strut Brace

ES#3023769 - 1969990011 - Racing Dynamics Front Strut Brace - Reduce chassis flexing - quality performance from one of the original BMW tuners! - Racing Dynamics - BMW

Reduce chassis flexing - quality performance from one of the original BMW tuners!

Brand:
Racing Dynamics - Corporate Logo
ES#:
3023769
Mfg#:
1969990011
Ships in 8 Business Days
$245.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport E9x ECU/ Brake Master Cover Set

ES#4415874 - 007629la10KT - Turner Motorsport E9x ECU/ Brake Master Cover Set - Compliment your engine bay and hide away the exposed ECU - Turner Motorsport - BMW
ECS Tuning recommends this product.

Compliment your engine bay and hide away the exposed ECU 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4415874
Mfg#:
007629LA10KT
In Stock
ON SALE! SAVE 25%
$182.97

This product was last offered at the strikethrough price on
06-13-2026

$137.23 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-Fit Stainless Steel Brake Lines - Rear

ES#3525717 - 025321ECS01 - Exact-Fit Stainless Steel Brake Lines - Rear - DOT-compliant kit to improve pedal feel in your vehicle. - ECS - BMW

DOT-compliant kit to improve pedal feel in your vehicle. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3525717
Mfg#:
025321ECS01
In Stock
ON SALE! SAVE 10%
$86.99

This product was last offered at the strikethrough price on
06-13-2026

$78.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 JB4 BMW Performance Tuner

ES#3508712 - JB4N54 - N54 JB4 BMW Performance Tuner - Plug & play power gain up to 100 horsepower on a stock car, 160+ horsepower on a modified car! - Burger Motorsports - BMW

Plug & play power — gain up to 100 horsepower on a stock car, 160+ horsepower on a modified car! Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3508712
Mfg#:
JB4N54
In Stock
$479.00

This product was last offered at the strikethrough price on
05-19-2026

$379.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS N54 Silicone Coolant Outlet Hose

ES#3552831 - 025216ECS01 - ECS N54 Silicone Coolant Outlet Hose - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3552831
Mfg#:
025216ECS01
In Stock
ON SALE! SAVE 25%
$80.99

This product was last offered at the strikethrough price on
06-13-2026

$60.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Fixed Camber Plates

ES#4000648 - 025532TMS01 - Front Fixed Camber Plates - Simply and inexpensively adds 2.5 degrees of needed negative camber for reduced understeer and reduced tire wear! - Turner Motorsport - BMW

Simply and inexpensively adds 2.5 degrees of needed negative camber for reduced understeer and reduced tire wear! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4000648
Mfg#:
025532TMS01
In Stock
ON SALE! SAVE 15%
$233.99

This product was last offered at the strikethrough price on
05-02-2026

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Front & Rear Sway Bar Kit - 28mm Front, 15mm Rear

ES#2828690 - 007278ecsKT1 - 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. - ECS - BMW

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2828690
Mfg#:
007278ECSKT1
In Stock
ON SALE! SAVE 10%
$575.99

This product was last offered at the strikethrough price on
06-13-2026

$518.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solid Rear Subframe Bushing Set

ES#3028144 - TDR9080SS3 - Solid Rear Subframe Bushing Set - Reduce deflection for increased rear-end stability - Turner Motorsport - BMW

Reduce deflection for increased rear-end stability 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028144
Mfg#:
TDR9080SS3
In Stock
ON SALE! SAVE 30%
$398.99

This product was last offered at the strikethrough price on
05-02-2026

$278.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - Standard Size

ES#3970225 - MB7776SI - Engine Main Bearing Kit - Standard Size - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Standard Size

Brand:
King - Corporate Logo
ES#:
3970225
Mfg#:
MB7776SI
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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