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BMW E90 Emissions Component Maintenance Parts

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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

Brand:
Genuine BMW - Corporate Logo
ES#:
27262
Mfg#:
11787537984
Ships in 3 Business 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
07-20-2026

$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

Brand:
Genuine BMW - Corporate Logo
ES#:
27293
Mfg#:
11787558055
Ships in 3 Business 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
07-20-2026

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

Front Oxygen Sensor - Bank 2 Pre-Cat

ES#27296 - 11787558087 - Front Oxygen Sensor - Bank 2 Pre-Cat - Fuel control and emissions sensor - Genuine BMW - BMW

Fuel control and emissions sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
27296
Mfg#:
11787558087
Ships in 3 Business 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
07-20-2026

$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

Brand:
Genuine BMW - Corporate Logo
ES#:
27294
Mfg#:
11787558073
Ships in 3 Business 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
07-20-2026

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

Oxygen Sensor - Upstream Catalytic Converter

ES#2138052 - 11787596924 - Oxygen Sensor - Upstream Catalytic Converter - 740mm. Front O2 sensor/Lambda probe - Genuine BMW - BMW

740mm. Front O2 sensor/Lambda probe

Brand:
Genuine BMW - Corporate Logo
ES#:
2138052
Mfg#:
11787596924
Ships in 3 Business 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
07-20-2026

$352.99 USD
Free Shipping
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

Brand:
Pierburg - Corporate Logo
ES#:
4726375
Mfg#:
11787537984
Ships on Nov 27, 2026
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Valve & Turbo Cleaner

ES#3969933 - 5319tcKT - Intake Valve & Turbo Cleaner - 11 Oz aerosol. - CRC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

11 Oz aerosol. This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
CRC
ES#:
3969933
Mfg#:
5319TCKT
Ships in 3 Business Days
$27.99 USD
Free Shipping
on orders $49 and up

E9X M3 Rear Oxygen Sensor - Black

ES#27266 - 11787539125 - E9X M3 Rear Oxygen Sensor - Black - Located on the catalytic converters, 2 required - Genuine BMW - BMW

Located on the catalytic converters, 2 required

Brand:
Genuine BMW - Corporate Logo
ES#:
27266
Mfg#:
11787539125
Ships in 3 Business 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.

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#1929399 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Genuine BMW - BMW

690mm. Rear O2 sensor/Lambda probe

Brand:
Genuine BMW - Corporate Logo
ES#:
1929399
Mfg#:
11787589475
Ships in 3 Business 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.

$325.99

This product was last offered at the strikethrough price on
07-20-2026

$281.99 USD
Free Shipping
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 For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 10/2005

Brand:
Assembled By ECS - Corporate Logo
ES#:
2825781
Mfg#:
11617531423KT4
Ships in 1 Business Day
ON SALE! SAVE 22%
$319.99

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

$250.17 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor

ES#3570674 - 13627801158 - Oxygen Sensor - Cure your poor fuel mileage by replacing your worn oxygen sensors - Bosch - BMW

Cure your poor fuel mileage by replacing your worn oxygen sensors 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3570674
Mfg#:
13627801158
In Stock at Vendor
$235.99

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

$230.69 USD
Free Shipping
on orders $49 and up
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

Brand:
FAE - Corporate Logo
ES#:
3625127
Mfg#:
11787537984
Ships on Aug 12, 2026
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#4343214 - 11787526262 - Rear Oxygen Sensor - Bank 1 Post-Cat - Fuel control and emissions control sensor - Febi - BMW

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343214
Mfg#:
11787526262
Back Ordered
$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2 Pre-Cat

ES#3625140 - 11787558073 - Oxygen Sensor - Bank 2 Pre-Cat - Located in the front position of the exhaust manifold - FAE - BMW

Located in the front position of the exhaust manifold

Brand:
FAE - Corporate Logo
ES#:
3625140
Mfg#:
11787558073
In Stock
ON SALE!
$117.99

This product was last offered at the strikethrough price on
07-14-2026

$114.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4460474 - 3148030031 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Meyle - BMW
ECS Tuning recommends this product.

Fuel control and emissions control sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4460474
Mfg#:
3148030031
Ships on Nov 27, 2026
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Bank 2 Pre-Cat

Emissions and fuel control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5482451
Mfg#:
11787558087
Ships on Nov 6, 2026
Auto Notify
$109.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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