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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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Performance Air Filter

ES#10306 - 33-2231 - Performance Air Filter - Restore fuel mileage and performance - K&N - BMW

Restore fuel mileage and performance

Brand:
K&N - Corporate Logo
ES#:
10306
Mfg#:
33-2231
Ships in 3 Business Days
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2602267 - 07119915017KT1 - Fuel Injector Installation Kit - Everything you need to install new fuel injectors, including fuel rail bolts. - Assembled By ECS - BMW

Everything you need to install new fuel injectors, including fuel rail bolts. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602267
Mfg#:
07119915017KT1
In Stock
ON SALE!
$68.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2813458 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Hamburg Tech - BMW

Replace your brittle fan before it sends a blade through your radiator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813458
Mfg#:
11521712058
In Stock
$22.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Boot

ES#2534825 - 13541740073 - Intake Boot - Used between air mass sensor & throttle valve - URO - BMW

Used between air mass sensor & throttle valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534825
Mfg#:
13541740073
In Stock
$22.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X-Line Performance Aluminum Radiator

ES#2823089 - MMRADE3692X - X-Line Performance Aluminum Radiator - Lightweight performance radiator for improved cooling and efficiency - Mishimoto - BMW

Lightweight performance radiator for improved cooling and efficiency 20% more efficient, 91% increased coolant capacity, with up to a 30*F reduction in coolant temperature versus the radiator you have now

Brand:
Mishimoto - Corporate Logo
ES#:
2823089
Mfg#:
MMRADE3692X
In Stock at Vendor
$682.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Chain Tensioner

ES#4472560 - 11311703717 - Lower Timing Chain Tensioner - Guide used to tension the timing chain - Bremmen Parts - BMW

Guide used to tension the timing chain 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4472560
Mfg#:
11311703717
In Stock
ON SALE! SAVE 15%
$17.33

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

$14.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4810957 - 11537509227 - Thermostat Assembly - Commonly cracked or broken - Includes Thermostat, Sensor, & Gasket - URO - BMW

Commonly cracked or broken - Includes Thermostat, Sensor, & Gasket 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4810957
Mfg#:
11537509227
In Stock
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Distributor Line

ES#37291 - 16137177237 - Fuel Distributor Line - Located between the main fuel tank and expansion tank. - Genuine BMW - BMW

Located between the main fuel tank and expansion tank.

Brand:
Genuine BMW - Corporate Logo
ES#:
37291
Mfg#:
16137177237
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.

$175.99

This product was last offered at the strikethrough price on
06-25-2026

$171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VANOS Solenoid Switch and piston Kit

ES#2966603 - 11361432532KT - VANOS Solenoid Switch and piston Kit - Replace you VANOS solenoid and piston, also includes special socket to prevent damage to new solenoid. - Assembled By ECS - BMW

Replace you VANOS solenoid and piston, also includes special socket to prevent damage to new solenoid. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966603
Mfg#:
11361432532KT
Ships in 2 Business Days
$669.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Fan Shroud Kit - No Sensors

ES#2918773 - MMFS-E36-92probe - Performance Aluminum Fan Shroud Kit - No Sensors - Aluminum fan shroud with 16" slim electric fan - Does not include fan controller or sensor/probe - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan - Does not include fan controller or sensor/probe

Brand:
Mishimoto - Corporate Logo
ES#:
2918773
Mfg#:
MMFS-E36-92PROBE
In Stock at Vendor
$332.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2535359 - 12120037607KT - Spark Plugs - Set Of Six - OEM replacement spark plugs - Genuine BMW - BMW

OEM replacement spark plugs

Brand:
Genuine BMW - Corporate Logo
ES#:
2535359
Mfg#:
12120037607KT
Ships in 2 Business Days
$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Temperature Sensor

ES#3023844 - 13621739510 - Intake Temperature Sensor - Monitors intake air temperature - Hella - BMW
ECS Tuning recommends this product.

Monitors intake air temperature

Brand:
Hella - Corporate Logo
ES#:
3023844
Mfg#:
13621739510
Back Ordered
Auto Notify
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Splined Shaft

ES#23142 - 11361715027 - Splined Shaft - This is the splined shaft that inserts in to the center of the intake cam gear. - Genuine BMW - BMW

This is the splined shaft that inserts in to the center of the intake cam gear.

Brand:
Genuine BMW - Corporate Logo
ES#:
23142
Mfg#:
11361715027
Ships in 2 Business Days
2% off MSRP

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

$55.99

This product was last offered at the strikethrough price on
07-29-2026

$54.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stop Light Switch

ES#3625584 - 61316967601 - Stop Light Switch - Mounts behind the brake pedal - FAE - BMW MINI

Mounts behind the brake pedal

Brand:
FAE - Corporate Logo
ES#:
3625584
Mfg#:
61316967601
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade (420 mm) (11 Blade)

ES#2895458 - 11521712058 - Fan Blade (420 mm) (11 Blade) - Replace your brittle fan blades before it sends a blade through your radiator - Vemo - BMW

Replace your brittle fan blades before it sends a blade through your radiator

Brand:
Vemo - Corporate Logo
ES#:
2895458
Mfg#:
11521712058
In Stock at Vendor
$75.99

This product was last offered at the strikethrough price on
05-07-2026

$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Upper

ES#4070339 - 11311432177S1 - Timing Chain - Upper - Replacement timing chain for required maintenance - Iwis - BMW

Replacement timing chain for required maintenance

Brand:
Iwis - Corporate Logo
ES#:
4070339
Mfg#:
11311432177S1
In Stock
$41.76

This product was last offered at the strikethrough price on
05-09-2026

$40.86 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.

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