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Top - Assembled By ECS Service Kits - BMW E9X 335 N54

Whether it's preventative maintenance, routine service, or buttoning up your seasonal project, don't wait until the eleventh hour to finish up your wintertime vehicle work. Below we have assembled our top Assembled By ECS Kits for your BMW.

At ECS Tuning, we have the goods to keep your vehicle on the road. Assembled By ECS kits are offered in a large variety to mend nearly any ailing BMW. Get your project underway and rest assured knowing your vehicle is properly serviced.


Top - Assembled By ECS Service Kits

Fits:
E9X 335 N54

‹ ›
ES#3432286 - 11427566327KT9 - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes seven quarts of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and ECS magnetic drain plug for superior engine protection - Assembled By ECS - BMW
Liqui Moly MolyGen Oil Change Kit / Inspection I
Includes seven quarts of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and ECS magnetic drain plug for superior engine protection
10X Entries For Our 25th Anniversary Sweepstakes!
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo
Brand: Assembled By ECS - Corporate Logo
ES#: 3432286
Mfg#: 11427566327KT9

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Availability:
In Stock
$143.99 USD
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This product is lifetime replacement eligible Partial Replacement
ES#2075251 - N54OCI - Genuine BMW Oil Change Kit / Inspection I - Includes seven quarts of BMW synthetic engine oil, Hengst oil filter and ECS magnetic drain plug for superior engine protection - Assembled By ECS - BMW
Genuine BMW Oil Change Kit / Inspection I
Includes seven quarts of BMW synthetic engine oil, Hengst oil filter and ECS magnetic drain plug for superior engine protection
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2075251
Mfg#: N54OCI

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Availability:
In Stock
$163.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2966442 - 11427537293kt - Oil Filter Housing Gasket Replacement Kit - Includes everything for a oil filter housing gasket change and oil service - Assembled By ECS - BMW
Oil Filter Housing Gasket Replacement Kit
Includes everything for a oil filter housing gasket change and oil service
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2966442
Mfg#: 11427537293KT

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Availability:
In Stock
$171.45 USD
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This product is lifetime replacement eligible Partial Replacement
ES#250700 - N54OCI - Genuine BMW Oil Change Kit / Inspection I - N52, N54, N55 - Includes seven quarts of 5w-30 BMW synthetic engine oil, Hengst oil filter - Assembled By ECS - BMW
ECS Tuning recommends this product.
Genuine BMW Oil Change Kit / Inspection I - N52, N54, N55
Includes seven quarts of 5w-30 BMW synthetic engine oil, Hengst oil filter
10X Entries For Our 25th Anniversary Sweepstakes!
Featuring the standard synthetic oil BMW engineers had in mind
Brand: Assembled By ECS - Corporate Logo
ES#: 250700
Mfg#: N54OCI

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Availability:
In Stock
$120.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3449965 - 83212365954kt8 - Genuine BMW Oil Change Kit / Inspection I - Includes seven quarts of BMW synthetic 0w-20 engine oil, Hengst oil filter - Assembled By ECS - BMW
Genuine BMW Oil Change Kit / Inspection I
Includes seven quarts of BMW synthetic 0w-20 engine oil, Hengst oil filter
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3449965
Mfg#: 83212365954KT8

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Availability:
In Stock
$129.99 USD
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This product is lifetime replacement eligible Partial Replacement
ES#2582047 - SFTRBKT - Shifter Rebuild & Upgrade Kit - Overhaul your shifter with this kit, featuring ECS Tuning teflon shifter bushings & Turner Motorsport poly shift arm bushing - Assembled By ECS - BMW
Shifter Rebuild & Upgrade Kit
Overhaul your shifter with this kit, featuring ECS Tuning teflon shifter bushings & Turner Motorsport poly shift arm bushing
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2582047
Mfg#: SFTRBKT

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Availability:
Ships on Aug 17, 2026
On SALE Save 18%
$331.99

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

$271.24 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2762305 - E92CLUTCHINSKT2 - Clutch Installation Kit - Everything you will need to get the job done - Assembled By ECS - BMW
Clutch Installation Kit
Everything you will need to get the job done
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2762305
Mfg#: E92CLUTCHINSKT2

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Availability:
Ships in 1-2 days
$467.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3170129 - 25117528407kt3 - Shifter Rebuild & Upgrade Kit - Overhaul your shifter with this kit, featuring ECS Tuning Delrin shifter bushings & Turner Motorsport poly shift arm bushing - Assembled By ECS - BMW
Shifter Rebuild & Upgrade Kit
Overhaul your shifter with this kit, featuring ECS Tuning Delrin shifter bushings & Turner Motorsport poly shift arm bushing
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3170129
Mfg#: 25117528407KT3

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Availability:
In Stock
On SALE
$271.99

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

$251.06 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3508289 - 21526785964KT - Clutch hydraulic Cylinder kit - Includes master and slave cylinder, hardware and lines including an OEM clutch line - Assembled By ECS - BMW
Clutch hydraulic Cylinder kit
Includes master and slave cylinder, hardware and lines including an OEM clutch line
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3508289
Mfg#: 21526785964KT

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Availability:
Ships in 2 Business Days
On SALE
$338.99

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

$323.48 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2695832 - 21207542984KT - Twin Mass Flywheel - With Hardware - For vehicles with 6-speed manual transmission, includes 8 flywheel bolts and Schwaben T60 Torx socket for removal - Assembled By ECS - BMW
Twin Mass Flywheel - With Hardware
For vehicles with 6-speed manual transmission, includes 8 flywheel bolts and Schwaben T60 Torx socket for removal
10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 01/2009
Brand: Assembled By ECS - Corporate Logo
ES#: 2695832
Mfg#: 21207542984KT

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Availability:
In Stock
$848.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
ES#2762213 - 21207590942KT - Twin Mass Flywheel - With Hardware - For vehicles with 6-speed manual transmission, includes 8 flywheel bolts and Schwaben T60 Torx socket for removal - Assembled By ECS - BMW
Twin Mass Flywheel - With Hardware
For vehicles with 6-speed manual transmission, includes 8 flywheel bolts and Schwaben T60 Torx socket for removal
10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 01/2009
Brand: Assembled By ECS - Corporate Logo
ES#: 2762213
Mfg#: 21207590942KT

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Availability:
Ships in 1 Business Day
On SALE Save 31%
$1524.99

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

$1051.47 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3234536 - 261175732761KT - Driveshaft Overhaul Kit - With Giubo and CSB - Includes flex disc (giubo) center support bearing (csb) and required hardware for installation - Assembled By ECS - BMW
Driveshaft Overhaul Kit - With Giubo and CSB
Includes flex disc (giubo) center support bearing (csb) and required hardware for installation
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3234536
Mfg#: 261175732761KT

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Availability:
Ships in 3 Business Days
On SALE
$302.99

This product was last offered at the strikethrough price on
08-13-2026

$278.87 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3234537 - 261175732761KT1 - Driveshaft Overhaul Kit - With Giubo and CSB - Includes flex disc (giubo) center support bearing (csb) and required hardware for installation - Assembled By ECS - BMW
Driveshaft Overhaul Kit - With Giubo and CSB
Includes flex disc (giubo) center support bearing (csb) and required hardware for installation
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3234537
Mfg#: 261175732761KT1

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Availability:
Ships in 1-2 days
On SALE
$331.99

This product was last offered at the strikethrough price on
08-13-2026

$307.95 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2597565 - 23117531356NKT - Manual Transmission Service Kit - Includes drain/fill plugs and Redline D4 ATF fluid - Assembled By ECS - BMW
Manual Transmission Service Kit
Includes drain/fill plugs and Redline D4 ATF fluid
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2597565
Mfg#: 23117531356NKT

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Availability:
In Stock
$96.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2739309 - 83222339221KT - Manual Transmission Service Kit - Featuring Redline MTL oil and genuine BMW transmission plugs - Assembled By ECS - BMW
Manual Transmission Service Kit
Featuring Redline MTL oil and genuine BMW transmission plugs
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2739309
Mfg#: 83222339221KT

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Availability:
In Stock
$95.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3623918 - 24117571217LMKT - Automatic Transmission Service Kit - Level 2 - Includes all the necessary components for a complete transmission service with Liqui Moly fluid - Assembled By ECS - BMW
ECS Tuning recommends this product.
Automatic Transmission Service Kit - Level 2
Includes all the necessary components for a complete transmission service with Liqui Moly fluid
10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles equipped with automatic transmission GA6HP19Z
Brand: Assembled By ECS - Corporate Logo
ES#: 3623918
Mfg#: 24117571217LMKT

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Availability:
In Stock
$199.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2523893 - 24117571217 - Automatic Transmission Service Kit - Level 2 - Includes all the necessary components for a complete transmission service with Redline D6 fluid - Assembled By ECS - BMW
Automatic Transmission Service Kit - Level 2
Includes all the necessary components for a complete transmission service with Redline D6 fluid
10X Entries For Our 25th Anniversary Sweepstakes!
For limited time includes FREE Redline WaterWetter®!
Brand: Assembled By ECS - Corporate Logo
ES#: 2523893
Mfg#: 24117571217

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Availability:
In Stock
On SALE Save 10%
$251.99

This product was last offered at the strikethrough price on
08-13-2026

$226.79 USD
Free Shipping Free Shipping
ES#3432575 - 83220440214KT2 - DCT Transmission Service Kit - Includes fluid, filters, pan with gasket and drain plugs to service your Double Clutch Transmission - Assembled By ECS - BMW
DCT Transmission Service Kit
Includes fluid, filters, pan with gasket and drain plugs to service your Double Clutch Transmission
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 3432575
Mfg#: 83220440214KT2

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Availability:
In Stock at Vendor
On SALE
$659.80

This product was last offered at the strikethrough price on
07-14-2026

$647.02 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2677651 - 83220440214KT1 - DCT Transmission Service Kit - Includes fluid, filters, and drain plugs to service your Double Clutch Transmission - Assembled By ECS - BMW
DCT Transmission Service Kit
Includes fluid, filters, and drain plugs to service your Double Clutch Transmission
10X Entries For Our 25th Anniversary Sweepstakes!
Includes an ECS Tuning Magnetic Drain Plug to capture metallic particles and extend component life
Brand: Assembled By ECS - Corporate Logo
ES#: 2677651
Mfg#: 83220440214KT1

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Availability:
In Stock
On SALE
$396.99

This product was last offered at the strikethrough price on
07-14-2026

$394.63 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2523894 - 24117571217 - Automatic Transmission Service Kit - Level 2 - Includes all the necessary components for a complete transmission service with genuine BMW M1375.4 fluid - Assembled By ECS - BMW
Automatic Transmission Service Kit - Level 2
Includes all the necessary components for a complete transmission service with genuine BMW M1375.4 fluid
10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles equipped with automatic transmission GA6HP19Z
Brand: Assembled By ECS - Corporate Logo
ES#: 2523894
Mfg#: 24117571217

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Availability:
Ships in 4 Business Days
On SALE
$385.99

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

$376.08 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
This product has been superseded to ES#2695397
ES#2597606 - 22116760330RKT - Motor Mount Kit - Assembled By ECS -
Motor Mount Kit
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2597606
Mfg#: 22116760330RKT
No longer available
ES#2695397 - 22116760330KT1 - Motor And Transmission Mount Kit - Includes all mounting hardware - Assembled By ECS - BMW
Motor And Transmission Mount Kit
Includes all mounting hardware
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2695397
Mfg#: 22116760330KT1

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Availability:
Ships in 1 Business Day
$365.49 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2582006 - E9XDFFKT - Differential Service Kit - Everything you need to service your differential - including new gaskets and seals - Assembled By ECS - BMW
Differential Service Kit
Everything you need to service your differential - including new gaskets and seals
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2582006
Mfg#: E9XDFFKT

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Availability:
Ships in 2 Business Days
$170.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2581868 - N54ACBELTKT - BMW N54 Accessory Belt Kit - Everything you need to service your belt drive system including all high-quality, German-made components - Assembled By ECS - BMW
BMW N54 Accessory Belt Kit
Everything you need to service your belt drive system including all high-quality, German-made components
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2581868
Mfg#: N54ACBELTKT

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Availability:
In Stock
On SALE Save 13%
$224.99

This product was last offered at the strikethrough price on
04-15-2026

$195.06 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2966635 - 31306775098KT3 - Cup Kit/Coilover Installation Kit - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW. Don't let weak mounts and corroded hardware yield less-than-positive results! - Assembled By ECS - BMW
Cup Kit/Coilover Installation Kit
Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW. Don't let weak mounts and corroded hardware yield less-than-positive results!
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2966635
Mfg#: 31306775098KT3

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Availability:
Ships in 2 Business Days
On SALE
$362.99

This product was last offered at the strikethrough price on
08-14-2026

$347.36 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2622813 - 31306775098KT1 - Cup Kit/Coilover Installation Kit - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW - Assembled By ECS - BMW
Cup Kit/Coilover Installation Kit
Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2622813
Mfg#: 31306775098KT1

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Availability:
Ships in 2 Business Days
On SALE
$464.26

This product was last offered at the strikethrough price on
08-14-2026

$449.27 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2581691 - E902SUSSPRTKT - Performance Suspension Cup Kit - Sport - Featuring Koni Yellow shocks and H&R Sport lowering springs - Assembled By ECS - BMW
Performance Suspension Cup Kit - Sport
Featuring Koni Yellow shocks and H&R Sport lowering springs
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2581691
Mfg#: E902SUSSPRTKT

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Availability:
Ships in 3 Business Days
$1390.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794964 - 001258ECS01KT - M3/1M Front and rear Control Arm Upgrade Kit - Featuring TRW M3 control arms plus ECS Performance Rear Trailing arms - Assembled By ECS - BMW
M3/1M Front and rear Control Arm Upgrade Kit
Featuring TRW M3 control arms plus ECS Performance Rear Trailing arms
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2794964
Mfg#: 001258ECS01KT

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Availability:
Ships in 5 Business Days
On SALE
$1199.99

This product was last offered at the strikethrough price on
05-29-2026

$1162.79 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2986841 - 31102283576UKT1 - Front And Rear Suspension Refresh Kit - Level 3 - Total front and rear suspension rebuild kit utilizing M3 front and rear control arms with bushings and subframe bushings - with high quality aftermarket components - Assembled By ECS - BMW
Front And Rear Suspension Refresh Kit - Level 3
Total front and rear suspension rebuild kit utilizing M3 front and rear control arms with bushings and subframe bushings - with high quality aftermarket components
10X Entries For Our 25th Anniversary Sweepstakes!
This kit features upgraded M3 front and rear control arms with bushings, M3 subframe bushings, and ECS p
Brand: Assembled By ECS - Corporate Logo
ES#: 2986841
Mfg#: 31102283576UKT1

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Availability:
Ships in 5 Business Days
On SALE
$1899.99

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

$1879.85 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2703087 - 33326763092KT1 - Rear Bushing Kit - M Specification - Reduce deflection in your rear suspension - Assembled By ECS - BMW
Rear Bushing Kit - M Specification
Reduce deflection in your rear suspension
10X Entries For Our 25th Anniversary Sweepstakes!
Brand: Assembled By ECS - Corporate Logo
ES#: 2703087
Mfg#: 33326763092KT1

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Availability:
In Stock
On SALE
$453.99

This product was last offered at the strikethrough price on
04-03-2026

$414.05 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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