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BMW E60 525i N52 3.0L

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BMW E60 525i N52 3.0L Engine Emission Parts

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Front Oxygen Sensor - Bank 1 Pre-Cat

ES#3625139 - 11787558055 - Front Oxygen Sensor - Bank 1 Pre-Cat - Fuel control and emissions control sensor - FAE - BMW

Fuel control and emissions control sensor Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
FAE - Corporate Logo
ES#:
3625139
Mfg#:
11787558055
Ships on Nov 19, 2026
$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Priced Each

ES#27262 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the secondary catalytic converters, 2 required - Genuine BMW - BMW

Located on the secondary catalytic converters, 2 required Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
27262
Mfg#:
11787537984
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-29-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - bank 1 Pre-Cat

ES#27293 - 11787558055 - Front Oxygen Sensor - bank 1 Pre-Cat - Fuel control and emissions control sensor - Genuine BMW - BMW

Fuel control and emissions control sensor Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
27293
Mfg#:
11787558055
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-29-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#27294 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust manifold Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
27294
Mfg#:
11787558073
Ships in 1-2 days
13% off MSRP

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

$406.99

This product was last offered at the strikethrough price on
10-29-2026

$352.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#2681738 - 16117222391 - Gas Cap - Original equipment gas cap - while supplies last! - Original Equipment Supplier - BMW MINI

Original equipment gas cap - while supplies last! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2681738
Mfg#:
16117222391
Ships on Dec 23, 2026
$23.99

This product was last offered at the strikethrough price on
10-13-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Vent Hose

ES#3673425 - 11157522931 - Crankcase Vent Hose - From oil separator to valve cover - Bremmen Parts - BMW

From oil separator to valve cover 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673425
Mfg#:
11157522931
Ships on Apr 12, 2027
ON SALE! SAVE 18%
$40.99

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

$33.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

This product was last offered at the strikethrough price on
06-13-2026

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2825781 - 11617531423KT4 - Oil Separator Service Kit - Includes valve and all necessary hoses - Assembled By ECS - BMW

Includes valve and all necessary hoses 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 10/2005

Brand:
Assembled By ECS - Corporate Logo
ES#:
2825781
Mfg#:
11617531423KT4
Ships on Apr 12, 2027
ON SALE! SAVE 18%
$319.99

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

$261.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#3625127 - 11787537984 - Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - FAE - BMW

Located on the catalytic converters, 2 required Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
FAE - Corporate Logo
ES#:
3625127
Mfg#:
11787537984
Ships on Nov 24, 2026
$121.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Return Pipe

ES#3673424 - 11157567801 - Crankcase Return Pipe - Located under intake manifold - Bremmen Parts - BMW

Located under intake manifold 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673424
Mfg#:
11157567801
Ships on Apr 12, 2027
ON SALE! SAVE 12%
$29.99

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

$26.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German BMW Smoke Leak Detector - With 3.5" Adapter

ES#4743328 - RGBMWSLD35 - Race German BMW Smoke Leak Detector - With 3.5" Adapter - An essential tool for diagnosing hard to locate vacuum leaks - Race German - BMW

An essential tool for diagnosing hard to locate vacuum leaks Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Race German - Corporate Logo
ES#:
4743328
Mfg#:
RGBMWSLD35
Back Ordered
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Air Pump Check Valve

ES#26868 - 11727837096 - BMW Air Pump Check Valve - EGR recirculation valve - Genuine BMW - BMW

EGR recirculation valve Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
26868
Mfg#:
11727837096
Ships in 1-2 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.

$194.99

This product was last offered at the strikethrough price on
10-29-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 1 Pre-Cat

Fuel control and emissions control sensor 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480567
Mfg#:
11787558055
Ships in 2 Business Days
ON SALE! SAVE 10%
$99.99

This product was last offered at the strikethrough price on
10-08-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4726375 - 11787537984 - Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Pierburg - BMW

Located on the catalytic converters, 2 required Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Pierburg - Corporate Logo
ES#:
4726375
Mfg#:
11787537984
Special Order: No Guaranteed ETA
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Return Tube - Oil Pan to Crankcase Vent Hose

ES#24238 - 11437527133 - Engine Oil Return Tube - Oil Pan to Crankcase Vent Hose - Genuine BMW - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Also use: (Qty.) (1) 11 42 7 548 322 o-ring.

Brand:
Genuine BMW - Corporate Logo
ES#:
24238
Mfg#:
11437527133
In Stock
5% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
10-29-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Vent Hose

ES#3493894 - 11617522933 - Oil Separator Vent Hose - Replace your cracked or damaged vent hose - Rein - BMW

Replace your cracked or damaged vent hose 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3493894
Mfg#:
11617522933
Ships in 2 Business Days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

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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