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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Mechanical Parts

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Supertech BMW S52 Steel Spring Retainer - Set Of 24

ES#4675741 - RET-HBK-ST-24 - Supertech BMW S52 Steel Spring Retainer - Set Of 24 - Rev higher and drive faster with confidence. - Supertech - BMW

Rev higher and drive faster with confidence.

Brand:
Supertech - Corporate Logo
ES#:
4675741
Mfg#:
RET-HBK-ST-24
In Stock
Limited Qty Sale
$281.99

This product was last offered at the strikethrough price on
05-18-2026

$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#14734 - 07119905524 - Hex Bolt - Priced Each - M6X12-8.8 - Genuine BMW - BMW

M6X12-8.8

Brand:
Genuine BMW - Corporate Logo
ES#:
14734
Mfg#:
07119905524
In Stock
$1.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#18383 - 11121743294 - Oil Cap - Includes the sealing gasket - Genuine BMW - BMW

Includes the sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
18383
Mfg#:
11121743294
Ships in 1 day
8% 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
07-22-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell - Red

ES#20614 - 11241284849 - Bearing Shell - Red - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
20614
Mfg#:
11241284849
In Stock
ON SALE! SAVE 18%
$48.99

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

$40.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set

ES#1831999 - 11121740065 - Cylinder Head Bolt Set - Includes all head bolts in one cylinder head - Victor Reinz - BMW

Includes all head bolts in one cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
1831999
Mfg#:
11121740065
In Stock at Vendor
$80.99

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

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Chain

ES#4759350 - 11417576915 - Oil Pump Chain - Responsible for driving the oil pump - Bremmen Parts - BMW

Responsible for driving the oil pump 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759350
Mfg#:
11417576915
Ships in 1 Business Day
ON SALE! SAVE 23%
$18.99

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

$14.68 USD
Free Shipping
on orders $49 and up

Dowel - Priced Each

ES#18271 - 11121726243 - Dowel - Priced Each - Located on the engine block and aids with mating the engine to the transmission - Genuine BMW - BMW

Located on the engine block and aids with mating the engine to the transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
18271
Mfg#:
11121726243
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Kit

ES#4159478 - 11121432928 - Valve Cover Kit - A complete valve cover assembly - Rein - BMW

A complete valve cover assembly 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/2002

Brand:
Rein - Corporate Logo
ES#:
4159478
Mfg#:
11121432928
Ships in 3 Business Days
$233.99 USD
Free Shipping
on orders $49 and up

Variable Engine Timing Solenoid Switch - Priced Each

ES#4304740 - 11361432532 - Variable Engine Timing Solenoid Switch - Priced Each - Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. - Hamburg Tech - BMW

Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4304740
Mfg#:
11361432532
In Stock at Vendor
$99.99

This product was last offered at the strikethrough price on
07-15-2026

$57.14 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
07-22-2026

$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
07-22-2026

$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
07-22-2026

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

"White" Upper Bearing Shell - Priced Each

ES#19969 - 11211706849 - "White" Upper Bearing Shell - Priced Each - 60.00MM - Genuine BMW - BMW

60.00MM

Brand:
Genuine BMW - Corporate Logo
ES#:
19969
Mfg#:
11211706849
Ships in 4 Business Days
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
07-22-2026

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

Flange Nut - Pack Of 10

ES#2537975 - 11617545279kt - Flange Nut - Pack Of 10 - M7 - Genuine BMW - BMW

M7

Brand:
Genuine BMW - Corporate Logo
ES#:
2537975
Mfg#:
11617545279KT
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Camshaft Oil Splash Shield

ES#18368 - 11121740163 - Intake Camshaft Oil Splash Shield - Plastic shield located under the valve cover - Genuine BMW - BMW

Plastic shield located under the valve cover

Brand:
Genuine BMW - Corporate Logo
ES#:
18368
Mfg#:
11121740163
Ships in 1 day
4% off MSRP

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

$25.99

This product was last offered at the strikethrough price on
07-22-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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

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