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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Parts & Accessories

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E36/Z3 3.5" Silicone Intake Boot - black/Red

ES#2764615 - OSEE3692IB35BK - E36/Z3 3.5" Silicone Intake Boot - black/Red - The cure for the common rotted intake boot - lifetime warranty! - Mishimoto - BMW

The cure for the common rotted intake boot - lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764615
Mfg#:
OSEE3692IB35BK
In Stock
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Cooling System Refresh Kit - Level 1

ES#4315901 - ECSE461711-3KT - ECS Performance Cooling System Refresh Kit - Level 1 - Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! - Assembled By ECS - BMW

Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315901
Mfg#:
ECSE461711-3KT
Ships in 3 Business Days
ON SALE!
$764.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Exhaust Manifold Stud - Priced Each

ES#18384 - 11121744057 - Exhaust Manifold Stud - Priced Each - Recommended to be replaced when the exhaust manifold is removed. - Genuine BMW - BMW

Recommended to be replaced when the exhaust manifold is removed. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18384
Mfg#:
11121744057
In Stock
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$3.79

This product was last offered at the strikethrough price on
06-12-2026

$3.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech BMW M50/M52/S50/S52 Dual Valve Spring Kit

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4615617
Mfg#:
PRK-H1000D-BM
Ships on Jun 30, 2026
$763.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Distributor

ES#25494 - 11611440318 - Air Distributor - Located on top of the intake manifold. Includes new o-rings. - Genuine BMW - BMW

Located on top of the intake manifold. Includes new o-rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25494
Mfg#:
11611440318
Ships in 3 Business Days
$127.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OIL PRESSURE SWITCH

ES#2801445 - 12618611273 - OIL PRESSURE SWITCH - Replacement oil pressure switch found on most BMWs - Rein - BMW

Replacement oil pressure switch found on most BMWs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801445
Mfg#:
12618611273
In Stock
$11.99

This product was last offered at the strikethrough price on
04-20-2026

$7.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$404.99

This product was last offered at the strikethrough price on
06-12-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27124 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$404.99

This product was last offered at the strikethrough price on
06-12-2026

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Gasket

ES#35936 - 16111184084 - Fuel Pump Gasket - Seal for in-tank fuel pump and in-tank sender unit - Genuine BMW - BMW MINI

Seal for in-tank fuel pump and in-tank sender unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
35936
Mfg#:
16111184084
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$36.99

This product was last offered at the strikethrough price on
06-12-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump

ES#23568 - 11417501568 - Oil Pump - Keep your engine well lubricated - Genuine BMW - BMW

Keep your engine well lubricated affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
23568
Mfg#:
11417501568
Special Order: No Guaranteed ETA
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$795.99

This product was last offered at the strikethrough price on
06-12-2026

$753.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Main Bearing Set - .25 Oversize

ES#4736408 - 7M1532H-.25 - High Performance Main Bearing Set - .25 Oversize - .25 Oversize Bearings - ACL - BMW

.25 Oversize Bearings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
4736408
Mfg#:
7M1532H-.25
In Stock at Vendor
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2575618 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Febi - BMW

Replace your brittle fan before it sends a blade through your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2575618
Mfg#:
11521712058
In Stock
$62.99

This product was last offered at the strikethrough price on
05-26-2026

$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - M8x105mm

ES#14586 - 07119904532 - Hex Bolt - M8x105mm - Worn hardware should be replaced before it fails - Genuine BMW - BMW

Worn hardware should be replaced before it fails affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the top of the hydraulic alternator belt tensioner assembly to the bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
14586
Mfg#:
07119904532
In Stock
$7.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stud Bolt

ES#16061 - 07129904544 - Stud Bolt - M6X30 - Genuine BMW - BMW MINI

M6X30 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16061
Mfg#:
07129904544
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships on Jul 27, 2026
Auto Notify
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover Beauty Cap - Priced Each

ES#2817004 - 11121726089 - Engine Cover Beauty Cap - Priced Each - Used to cover the securing hardware for the engine cover - Vaico - BMW

Used to cover the securing hardware for the engine cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
2 required per cover, used on both engine covers

Brand:
Vaico - Corporate Logo
ES#:
2817004
Mfg#:
11121726089
In Stock
$5.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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

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