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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Pistons & Parts

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Piston Ring Set (84.00 mm, Standard)

ES#2803931 - 11257511697 - Piston Ring Set (84.00 mm, Standard) - Includes all necessary rings for one piston - Rein - BMW

Includes all necessary rings for one piston 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#:
2803931
Mfg#:
11257511697
Ships on Jun 30, 2026
Auto Notify
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set (84.00 mm, Standard)

ES#21441 - 11257511697 - Piston Ring Set (84.00 mm, Standard) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
21441
Mfg#:
11257511697
In Stock
ON SALE! SAVE 18%
$98.99

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

$81.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mahle Piston

ES#21445 - 11257512526 - Mahle Piston - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
21445
Mfg#:
11257512526
Ships in 6 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.

$388.99

This product was last offered at the strikethrough price on
06-07-2026

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

Piston Ring Repair Kit

ES#21442 - 11257511698 - Piston Ring Repair Kit - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
21442
Mfg#:
11257511698
Ships in 9 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.

$128.99

This product was last offered at the strikethrough price on
06-07-2026

$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 6 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.

$45.99

This product was last offered at the strikethrough price on
06-07-2026

$44.99 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 9 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.

$392.99

This product was last offered at the strikethrough price on
06-07-2026

$381.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 23, 2026
$1399.99 USD
Free Shipping
on orders $49 and up

CP-Carrillo Forged Piston Set - M54B25 Std. Size

ES#4758876 - M54B25-CPP-84 - CP-Carrillo Forged Piston Set - M54B25 Std. Size - Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With M54B25 Engine Only

Brand:
5150 Autosport - Corporate Logo
ES#:
4758876
Mfg#:
M54B25-CPP-84
Back Ordered
Starting at $1349.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

CP Forged Piston Set - BMW M54B25 - 84mm Bore - 8.5:1 CR

Designed for high-horsepower turbo engine builds affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CP Carrillo - Corporate Logo
ES#:
5396063
Mfg#:
CPFPSM54B25848.5
Back Ordered
$1399.99 USD
Free Shipping
on orders $49 and up

More About Pistons & Parts

Whether you're simply rebuilding your engine or going for big power, we have OEM and aftermarket performance pistons from the best brands in the business so your engine has the precise setup to meet your goals.

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