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Your Vehicle BMW E46 323Ci M52 2.5L

Top - Assembled By ECS Service Kits - BMW E9X N52

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 N52

Performance Ignition Service Kit
Everything you need to service your ignition system including Bosch spark plugs and Bav Auto ignition coils
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Brand: Assembled By ECS - Corporate Logo
ES#: 3689901
Mfg#: 12137594937PKT

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Availability:
In Stock
On SALE Save 20%
$243.99

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

$194.75 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Ignition Service Kit
Everything you need to service your ignition system
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Brand: Assembled By ECS - Corporate Logo
ES#: 2682301
Mfg#: 12137594937KT2

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Availability:
In Stock
$269.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Ignition Service Kit
Everything you need to service your ignition system
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Brand: Assembled By ECS - Corporate Logo
ES#: 2731641
Mfg#: 12137594936KT1

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Availability:
In Stock at Vendor
On SALE Save 19%
$421.99

This product was last offered at the strikethrough price on
02-13-2026

$342.41 USD
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This product is lifetime replacement eligible Lifetime Replacement
Intake Manifold Upgrade Kit
Bolt-on 3-stage intake manifold featuring a Bavarian Autosport intake manifold with high quality DISA valves and gaskets
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Brand: Assembled By ECS - Corporate Logo
ES#: 3072586
Mfg#: 11617559523KT3

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Availability:
In Stock
On SALE Save 25%
$898.99

This product was last offered at the strikethrough price on
01-03-2026

$674.02 USD
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on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
Oil Separator Service Kit
Includes valve and all necessary hoses
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For vehicles with the early metal valve cover - will not work with the later style plastic valve covers
Brand: Assembled By ECS - Corporate Logo
ES#: 2804752
Mfg#: 11617531423KT2

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Availability:
In Stock
On SALE Save 26%
$302.99

This product was last offered at the strikethrough price on
01-03-2026

$225.27 USD
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This product is lifetime replacement eligible Lifetime Replacement
Eccentric Shaft Sensor Kit
Includes a new sensor as well as valve cover and eccentric gaskets for a complete service
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Brand: Assembled By ECS - Corporate Logo
ES#: 2739946
Mfg#: 11377524879KT1

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Availability:
In Stock
On SALE Save 13%
$270.99

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

$235.42 USD
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This product is lifetime replacement eligible Lifetime Replacement
Ultimate Valve Cover Gasket Kit
Kit includes German-made valve cover gaskets and new hardware
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Brand: Assembled By ECS - Corporate Logo
ES#: 2996440
Mfg#: 11127581215KT

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Availability:
In Stock
On SALE Save 11%
$125.99

This product was last offered at the strikethrough price on
04-14-2026

$111.65 USD
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This product is lifetime replacement eligible Lifetime Replacement
Eccentric Shaft Sensor Kit
Includes a new sensor as well as valve cover and eccentric gaskets for a complete service
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Brand: Assembled By ECS - Corporate Logo
ES#: 2739547
Mfg#: 11377524879KT

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Availability:
In Stock
On SALE Save 13%
$270.16

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

$235.42 USD
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This product is lifetime replacement eligible Lifetime Replacement
Water Pump And Thermostat Kit
Includes everything you need to replace your water pump and thermostat.
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777338
Mfg#: 11517586925KT5

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Availability:
In Stock
On SALE Save 25%
$424.99

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

$318.74 USD
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This product is lifetime replacement eligible Partial Replacement
ECS Cooling System Refresh Kit - Level 2
A more advanced refresh kit - with primary cooling system hoses and accessory belt
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777666
Mfg#: 17137607482KT6

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Availability:
Ships in 1 Business Day
On SALE
$785.99

This product was last offered at the strikethrough price on
04-06-2026

$744.55 USD
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This product is lifetime replacement eligible Partial Replacement
ECS Cooling System Refresh Kit - Level 1
Stop your cooling problems before they start
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777664
Mfg#: 17137607482KT5

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Availability:
In Stock
On SALE Save 24%
$621.99

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

$470.06 USD
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This product is lifetime replacement eligible Partial Replacement
ECS Cooling System Refresh Kit - Level 1
Stop your cooling problems before they start
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777663
Mfg#: 17137607482KT4

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Availability:
In Stock
On SALE Save 24%
$580.17

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

$439.06 USD
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This product is lifetime replacement eligible Partial Replacement
Coolant Flush Kit
Includes 1 gallon of BMW coolant, Schwaben coolant evacuation tool, and ECS Billet Aluminum Radiator Drain Plug and bleeder screw
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Brand: Assembled By ECS - Corporate Logo
ES#: 3046076
Mfg#: 82141467704KT

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Availability:
Ships in 9 Business Days
Auto Notify
On SALE Save 19%
$190.99

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

$154.25 USD
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This product is lifetime replacement eligible Partial Replacement
Complete Cooling System Hose Kit
Replace your cooling system hoses with this complete kit including coolant
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Brand: Assembled By ECS - Corporate Logo
ES#: 2839050
Mfg#: 17127564478KT1

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Availability:
In Stock
On SALE
$189.99

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

$178.59 USD
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This product is lifetime replacement eligible Partial Replacement
ECS Cooling System Refresh Kit - Level 3
Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug!
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Brand: Assembled By ECS - Corporate Logo
ES#: 2777667
Mfg#: 17137607482KT7

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Availability:
Ships in 1 Business Day
On SALE Save 19%
$1047.99

This product was last offered at the strikethrough price on
01-03-2026

$853.58 USD
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This product is lifetime replacement eligible Partial Replacement
Expansion Tank Replacement Kit
Includes everything you need to bolt on a brand new expansion tank
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Brand: Assembled By ECS - Corporate Logo
ES#: 2581926
Mfg#: N524ECSTNKKT

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Availability:
In Stock
On SALE Save 36%
$166.99

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

$107.26 USD
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This product is lifetime replacement eligible Lifetime Replacement
Inspection II Service Kit
Includes all parts required to perform your Inspection 2 service.
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Brand: Assembled By ECS - Corporate Logo
ES#: 257803
Mfg#: N52IN2

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In Stock
$269.99 USD
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This product is lifetime replacement eligible Partial Replacement
"Dry" Inspection II Service Kit
Includes spark plugs and all filters - add your preferred fluids for a complete service
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Brand: Assembled By ECS - Corporate Logo
ES#: 2723115
Mfg#: N52IN2D

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In Stock
$125.99 USD
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This product is lifetime replacement eligible Partial Replacement
Oil Pan Gasket replacement kit
Includes new pan gasket, hardware and a oil service kit
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Brand: Assembled By ECS - Corporate Logo
ES#: 3173509
Mfg#: 11137548031KT

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Availability:
In Stock
On SALE
$193.10

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

$187.36 USD
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This product is lifetime replacement eligible Partial Replacement
Genuine BMW Oil Change Kit / Inspection I - N52, N54, N55
Includes seven quarts of 5w-30 BMW synthetic engine oil, Hengst oil filter
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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
On SALE
$104.99

This product was last offered at the strikethrough price on
03-02-2026

$101.62 USD
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This product is lifetime replacement eligible Partial Replacement
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
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Brand: Assembled By ECS - Corporate Logo
ES#: 2075251
Mfg#: N54OCI

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Availability:
In Stock
On SALE
$143.99

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

$141.00 USD
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This product is lifetime replacement eligible Partial Replacement
This product has been superseded to ES#3470581
Liqui Moly MolyGen Oil Change Kit / Inspection I
Includes seven quarts of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and new drain plug
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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#: 3432280
Mfg#: 11427566327KT8

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Availability:
In Stock
$95.28 USD
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This product is lifetime replacement eligible Partial Replacement
Liqui Moly MolyGen Oil Change Kit / Inspection I
Includes seven liters of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and new drain plug
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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#: 3470581
Mfg#: 11427566327MGKT

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Availability:
In Stock
On SALE Save 15%
$119.99

This product was last offered at the strikethrough price on
05-15-2026

$102.03 USD
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This product is lifetime replacement eligible Partial Replacement
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
On SALE Save 12%
$138.99

This product was last offered at the strikethrough price on
05-15-2026

$121.82 USD
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This product is lifetime replacement eligible Partial Replacement
Mobil 1 Oil Change Kit / Inspection I
Includes seven quarts of Mobil 1 0w-40 synthetic engine oil, Hengst oil filter and new drain plug
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Includes enthusiast standby Mobil 1
Brand: Assembled By ECS - Corporate Logo
ES#: 2804123
Mfg#: 11427566327KT

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Availability:
In Stock
$91.21 USD
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This product is lifetime replacement eligible Partial Replacement
Genuine BMW Oil Change Kit / Inspection I
Includes seven quarts of BMW synthetic 0w-20 engine oil, Hengst oil filter
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Brand: Assembled By ECS - Corporate Logo
ES#: 3449965
Mfg#: 83212365954KT8

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Availability:
In Stock
$112.26 USD
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This product is lifetime replacement eligible Partial Replacement
Genuine BMW Oil Change Kit / Inspection I
Includes seven quarts of BMW synthetic engine oil, Mann oil filter and ECS magnetic drain plug for superior engine protection - plus ECS Billet Aluminum Oil Filter Cap to prevent damaged threads or rounded heads!
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Featuring the standard synthetic oil BMW engineers had in mind
Brand: Assembled By ECS - Corporate Logo
ES#: 2918838
Mfg#: 11427566327KT5

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Availability:
Ships on Oct 22, 2026
On SALE Save 18%
$293.99

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

$241.13 USD
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This product is lifetime replacement eligible Partial Replacement
N52 Oil Filter Housing Gasket Kit
Avoid catastrophic engine failure and replace your filter housing gasket as soon as it starts to leak.
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Brand: Genuine BMW - Corporate Logo
ES#: 3604226
Mfg#: N52OFHGRKT

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Availability:
In Stock
$55.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
BMW N52 Accessory Drive Belt Service Kit
Utilizes high quality aftermarket components
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Brand: Assembled By ECS - Corporate Logo
ES#: 2681007
Mfg#: 11287530314KT

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Availability:
Ships in 1 Business Day
On SALE Save 14%
$117.99

This product was last offered at the strikethrough price on
02-08-2026

$101.06 USD
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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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