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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Pistons & Parts

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Piston Ring Set - Priced Each

ES#4147005 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Mahle - BMW

Standard bore replacement piston rings

Brand:
Mahle - Corporate Logo
ES#:
4147005
Mfg#:
11251437077
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#21185 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Genuine BMW - BMW

Standard bore replacement piston rings

Brand:
Genuine BMW - Corporate Logo
ES#:
21185
Mfg#:
11251437077
Ships on Aug 20, 2026
2% off MSRP

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

$98.99

This product was last offered at the strikethrough price on
07-25-2026

$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mahle Piston - 83,980Mm(0)

ES#21299 - 11251722492 - Mahle Piston - 83,980Mm(0) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
21299
Mfg#:
11251722492
Ships in 8 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.

$388.99

This product was last offered at the strikethrough price on
07-25-2026

$380.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#3706490 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Goetze - BMW

Standard bore replacement piston rings

Brand:
Goetze - Corporate Logo
ES#:
3706490
Mfg#:
11251437077
Ships in 1-2 days
$53.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set - Priced Each

ES#2803966 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Rein - BMW

Standard bore replacement piston rings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803966
Mfg#:
11251437077
Ships in 3 Business Days
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring - Priced Per Piston

ES#2803784 - 11251713192 - Piston Ring - Priced Per Piston - For use on stock pistons, will need 6 sets to replace all piston rings in the engine - Rein - BMW

For use on stock pistons, will need 6 sets to replace all piston rings in the engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with a production date up to 09/1992

Brand:
Rein - Corporate Logo
ES#:
2803784
Mfg#:
11251713192
Ships in 2 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set (83.98 mm, Standard)

ES#3038942 - 11251713192 - Piston Ring Set (83.98 mm, Standard) - Goetze - BMW

For vehicles with production date up to 08/92

Brand:
Goetze - Corporate Logo
ES#:
3038942
Mfg#:
11251713192
Ships in 1-2 days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Repair Kit - (+0,50)

ES#21181 - 11251437054 - Piston Ring Repair Kit - (+0,50) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
21181
Mfg#:
11251437054
Ships in 8 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.

$113.99

This product was last offered at the strikethrough price on
07-25-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PISTON

ES#21304 - 11251722500 - PISTON - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
21304
Mfg#:
11251722500
Ships in 8 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.

$373.99

This product was last offered at the strikethrough price on
07-25-2026

$365.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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