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BMW E39 Exhaust Emission Parts

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Oxygen Sensor - Priced Each

ES#240368 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240368
Mfg#:
11781742050
In Stock
$96.10

This product was last offered at the strikethrough price on
05-29-2026

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Jun 23, 2026
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$48.99

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

$34.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#3411431 - 11781427884 - Oxygen Sensor - Priced Each - Replace your faulty O2 sensor to eliminate CEL's and Fault Codes - Walker - BMW

Replace your faulty O2 sensor to eliminate CEL's and Fault Codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Walker - Corporate Logo
ES#:
3411431
Mfg#:
11781427884
In Stock
$167.99

This product was last offered at the strikethrough price on
04-11-2026

$111.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Catalytic Converter - 2.25"

ES#4005308 - 602205 - Universal Catalytic Converter - 2.25" - 2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height - Emico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emico - Corporate Logo
ES#:
4005308
Mfg#:
602205
Ships in 4 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#252546 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4870454 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - URO - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870454
Mfg#:
11781742050
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#250815 - 11781742051 - Oxygen Sensor - Rear, after catalyst - Bosch - BMW
ECS Tuning recommends this product.

Rear, after catalyst affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
250815
Mfg#:
11781742051
In Stock at Vendor
$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2895531 - 11781427884 - Oxygen Sensor - Priced Each - 990mm - Replace your faulty O2 sensor to eliminate CEL's and Fault Codes - Vemo - BMW

990mm - Replace your faulty O2 sensor to eliminate CEL's and Fault Codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895531
Mfg#:
11781427884
In Stock at Vendor
$209.99

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

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

990mm - cure your poor gas mileage by replacing your worn oxygen sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
5376161
Mfg#:
11781427884
In Stock
$289.99

This product was last offered at the strikethrough price on
12-31-2025

$210.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#27212 - 11781742051 - Oxygen Sensor - Rear, after catalyst - Genuine BMW - BMW

Rear, after catalyst affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27212
Mfg#:
11781742051
Ships in 7 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.

$445.99

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

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Direct-Fit Catalytic Converter - Left

ES#2581568 - 23306 - Direct-Fit Catalytic Converter - Left - Keep your emissions in check - Magnaflow - BMW

Keep your emissions in check affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
48-state legal - not for sale or use in California
For vehicles with production date up to 09/1998

Brand:
Magnaflow - Corporate Logo
ES#:
2581568
Mfg#:
23306
Ships in 2 Business Days
$807.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 4 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.

$404.99

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

Oxygen Sensor - Priced Each

ES#27124 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 3 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.

$404.99

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

Direct-Fit Catalytic Converter - Right

ES#2581569 - 23058 - Direct-Fit Catalytic Converter - Right - Keep your emissions in check - Magnaflow - BMW

Keep your emissions in check affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
48-state legal - not for sale or use in California
For vehicles with production date up to 09/1998

Brand:
Magnaflow - Corporate Logo
ES#:
2581569
Mfg#:
23058
Ships in 2 Business Days
$682.00 USD
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve

ES#26808 - 11727540468 - EGR Valve - Be sure to pass emission checks with a new check valve - Genuine BMW - BMW

Be sure to pass emission checks with a new check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
26808
Mfg#:
11727540468
Ships in 4 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.

$194.99

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

$188.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emission Control-Air Pump

ES#26695 - 11721707619 - Emission Control-Air Pump - Be sure to pass emission checks with a new check valve - Genuine BMW - BMW

Be sure to pass emission checks with a new check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
26695
Mfg#:
11721707619
Ships in 3 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.

$226.99

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

$220.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Emission Parts

Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.

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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