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BMW E46 Engine Mechanical Parts

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Piston

ES#44900 - 24201423384 - Piston - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
44900
Mfg#:
24201423384
Ships in 3 Business Days
4% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-03-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Crankshaft Bearing Shell - Priced Each

ES#19990 - 11211717779 - Lower Crankshaft Bearing Shell - Priced Each - Standard Bore - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
19990
Mfg#:
11211717779
Ships in 5 Business Days
5% 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
06-03-2026

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

Bearing shell, orange

ES#2643252 - 11217585455 - Bearing shell, orange - With orange markings - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2643252
Mfg#:
11217585455
Ships in 5 Business Days
4% off MSRP

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

$27.99

This product was last offered at the strikethrough price on
06-03-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Installation Kit

ES#18458 - 11127507597 - Cylinder Head Installation Kit - Choose a head gasket to make this a complete top end kit - Genuine BMW - BMW

Choose a head gasket to make this a complete top end kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
18458
Mfg#:
11127507597
Ships in 5 Business Days
19% off MSRP

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

$480.99

This product was last offered at the strikethrough price on
06-03-2026

$389.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Bearing Shell - Yellow

ES#19970 - 11211706850 - Upper Bearing Shell - Yellow - Yellow designation crankshaft bearing shell. 59.75mm(+0.25) - Genuine BMW - BMW

Yellow designation crankshaft bearing shell. 59.75mm(+0.25) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19970
Mfg#:
11211706850
Ships in 5 Business Days
5% 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
06-03-2026

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

Crankshaft Thrust Bearing - Green

ES#19949 - 11211705816 - Crankshaft Thrust Bearing - Green - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
19949
Mfg#:
11211705816
Ships in 5 Business Days
4% off MSRP

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

$170.99

This product was last offered at the strikethrough price on
06-03-2026

$164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell Green

ES#19991 - 11211717780 - Bearing Shell Green - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
19991
Mfg#:
11211717780
Ships in 5 Business Days
5% 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
06-03-2026

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

Mahle Piston - (+0,25)

ES#21447 - 11257512528 - Mahle Piston - (+0,25) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
21447
Mfg#:
11257512528
Ships in 5 Business Days
4% off MSRP

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

$392.99

This product was last offered at the strikethrough price on
06-03-2026

$376.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump

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

Brand:
Genuine BMW - Corporate Logo
ES#:
23585
Mfg#:
11417507350
Ships in 5 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.

$694.99

This product was last offered at the strikethrough price on
06-03-2026

$645.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Cylinder Head - With Bearing Ledges

The replacement for a damaged or warped cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2843728
Mfg#:
11127514543
Ships in 5 Business Days
$2945.99 USD

Connecting Rod Set

Price includes $50 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2917686
Mfg#:
11241437212KT
Ships in 5 Business Days
$732.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Crankshaft

Includes a $100 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2550886
Mfg#:
11210007262KT
Ships in 5 Business Days
$1523.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Valve Cover

Replace Your S54's Old Leaky Valve Cover! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5375176
Mfg#:
11127838754
Ships in 7 Business Days
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ON SALE! SAVE 15%
$582.99

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

$495.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M9 X 1.25 ARP 328 E46 Rod Bolt Kit

Give your E46 the motorsport-grade hardware it deserves. Your engine (and your wallet) will thank you! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
5470801
Mfg#:
301-6022
Ships on Jun 19, 2026
20% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
06-03-2026

$15.99 USD

Forged Piston Set - BMW M54B30

84mm bore, 9.0:1 compression ratio. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4809693
Mfg#:
JE-FPS-M54B30
Ships on Jun 19, 2026
$2654.99 USD
Free Shipping
on orders $49 and up

JE Forged Piston Set - M54 2.5L

84mm, 8.5:1 CR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VAC Motorsports - Corporate Logo
ES#:
4758816
Mfg#:
JE-FPS-M54
Ships on Jun 19, 2026
$1399.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your BMW

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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