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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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Hydraulic Alternator Belt Tensioner

ES#2813357 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Hamburg Tech - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813357
Mfg#:
11281717188
Ships in 1 Business Day
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blue Bearing Shell - Priced Each

ES#20615 - 11241284850 - Blue Bearing Shell - Priced Each - Blue 45mm (0.0) - Genuine BMW - BMW

Blue 45mm (0.0)

Brand:
Genuine BMW - Corporate Logo
ES#:
20615
Mfg#:
11241284850
Ships in 1 day
3% off MSRP

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

$39.99

This product was last offered at the strikethrough price on
11-04-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankshaft Position Center

ES#5456396 - 12141709616 - Engine Crankshaft Position Center - A critical solution for BMW owners facing erratic engine behavior or the dreaded "Check Engine" light. - URO - BMW

A critical solution for BMW owners facing erratic engine behavior or the dreaded "Check Engine" light. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5456396
Mfg#:
12141709616
In Stock
$25.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 40%
$14.99

This product was last offered at the strikethrough price on
05-14-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose

ES#4883857 - 64218363198 - Heater Hose - This hose routes from the Water valve to the heater core. - Bremmen Parts - BMW

This hose routes from the Water valve to the heater core. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883857
Mfg#:
64218363198
In Stock
ON SALE!
$9.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#259493 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Sachs - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
259493
Mfg#:
11527505302
Back Ordered
$231.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Upgrade Kit - M50/M52/S50/S52

ES#4759061 - 5150-OPUK-M50 - Oil Pump Upgrade Kit - M50/M52/S50/S52 - Fix That Notorious Oil Pump Failure Before it Even Happens! - 5150 Autosport - BMW

Fix That Notorious Oil Pump Failure Before it Even Happens!

Brand:
5150 Autosport - Corporate Logo
ES#:
4759061
Mfg#:
5150-OPUK-M50
Back Ordered
$229.99 USD
Free Shipping
on orders $49 and up

Ignition Coil - Priced Each

ES#263707 - 12131712219 - Ignition Coil - Priced Each - Get your engine back to peak performance with a new ignition coil. - Bremi - BMW

Get your engine back to peak performance with a new ignition coil.

Brand:
Bremi - Corporate Logo
ES#:
263707
Mfg#:
12131712219
Ships in 1 Business Day
$27.99

This product was last offered at the strikethrough price on
07-23-2026

$25.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing Gasket

ES#258619 - 11421719855 - Oil Filter Housing Gasket - Seals housing to the engine block - Victor Reinz - BMW

Seals housing to the engine block

Brand:
Victor Reinz - Corporate Logo
ES#:
258619
Mfg#:
11421719855
Ships in 1 Business Day
$5.99

This product was last offered at the strikethrough price on
08-25-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose

ES#4883961 - 13541703865 - Cooling Hose - Runs from throttle body to the cylinder head - Bremmen Parts - BMW

Runs from throttle body to the cylinder head 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883961
Mfg#:
13541703865
Ships on Dec 29, 2026
ON SALE!
$8.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4690532 - 11281748131-PKT - Performance Accessory Belt Kit - Kevlar Reinforced - Includes updated Hydraulic Tensioner and Kevlar Accessory Belt! - Assembled By ECS - BMW

Includes updated Hydraulic Tensioner and Kevlar Accessory Belt! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4690532
Mfg#:
11281748131-PKT
Ships in 7 Business Days
ON SALE!
$241.99

This product was last offered at the strikethrough price on
10-28-2026

$228.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Upper

ES#2592851 - 11311432177 - Timing Chain - Upper - Replacement timing chain for required maintenance - Iwis - BMW

Replacement timing chain for required maintenance

Brand:
Iwis - Corporate Logo
ES#:
2592851
Mfg#:
11311432177
In Stock
$45.92

This product was last offered at the strikethrough price on
08-23-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell Yellow

ES#19967 - 11211706847 - Bearing Shell Yellow - Standard bore - Genuine BMW - BMW

Standard bore

Brand:
Genuine BMW - Corporate Logo
ES#:
19967
Mfg#:
11211706847
Ships in 1 day
3% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
11-04-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell Yellow

ES#19987 - 11211717526 - Bearing Shell Yellow - Standard bore - Genuine BMW - BMW

Standard bore

Brand:
Genuine BMW - Corporate Logo
ES#:
19987
Mfg#:
11211717526
Ships in 1 day
3% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
11-04-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Green" Crankshaft Bearing Shell

ES#19968 - 11211706848 - "Green" Crankshaft Bearing Shell - 60.00MM - Genuine BMW - BMW

60.00MM

Brand:
Genuine BMW - Corporate Logo
ES#:
19968
Mfg#:
11211706848
Ships in 1 day
3% off MSRP

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

$38.99

This product was last offered at the strikethrough price on
11-04-2026

$37.99 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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