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BMW M3 Emissions Component Maintenance Parts

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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 at Vendor
$167.99

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

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Priced Each

ES#2628626 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters, 2 required 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#:
2628626
Mfg#:
11787537984
In Stock
$180.99

This product was last offered at the strikethrough price on
04-09-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#258921 - 11781735499 - Oxygen Sensor - Priced Each - Restore MPG, clear trouble codes - Bosch - BMW

Restore MPG, clear trouble codes 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#:
258921
Mfg#:
11781735499
In Stock
$82.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4135539 - 11787848486 - Oxygen Sensor - Priced Each - Bosch - BMW

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#:
4135539
Mfg#:
11787848486
In Stock
$209.99

This product was last offered at the strikethrough price on
04-23-2026

$177.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 4-Wire Oxygen Sensor - Priced Each

ES#2532224 - 15733 - Universal 4-Wire Oxygen Sensor - Priced Each - Four wire universal OBD-II Oxygen sensor - Bosch - Audi BMW Volkswagen

Four wire universal OBD-II Oxygen sensor 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#:
2532224
Mfg#:
15733
In Stock
$82.99

This product was last offered at the strikethrough price on
02-16-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Black

ES#2226210 - 11787539125 - E9X M3 Oxygen Sensor - Black - Located on the catalytic converters - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters 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#:
2226210
Mfg#:
11787539125
In Stock
$155.99

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

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

Oxygen Sensor - Priced Each

ES#4135536 - 11787848487 - Oxygen Sensor - Priced Each - Replace your used Oxygen sensor for M3 or M4 - Bosch - BMW

Replace your used Oxygen sensor for M3 or M4 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#:
4135536
Mfg#:
11787848487
In Stock
$200.99

This product was last offered at the strikethrough price on
03-16-2026

$192.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 1

ES#2586874 - 11151703484KT - Oil Separator Kit - Level 1 - Includes a new separator, hoses, and hardware - Assembled By ECS - BMW

Includes a new separator, hoses, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586874
Mfg#:
11151703484KT
Ships on Sep 1, 2026
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ON SALE! SAVE 25%
$91.96

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

$68.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#11024 - 13952 - Rear Manifold Oxygen Sensor - Front Position/Pre-Cat - Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine 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#:
11024
Mfg#:
13952
In Stock at Vendor
$120.99

This product was last offered at the strikethrough price on
12-19-2025

$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11026 - 13951 - Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine 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#:
11026
Mfg#:
13951
In Stock
Limited Qty Sale
$208.90

This product was last offered at the strikethrough price on
05-19-2026

$183.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#3031886 - 11781743994 - Front Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine 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#:
3031886
Mfg#:
11781743994
In Stock
$199.99

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

$138.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2767303 - 11787848482 - Oxygen Sensor - Priced Each - Located before the catalytic converter on the longer downpipe. - Genuine BMW - BMW

Located before the catalytic converter on the longer downpipe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Located in the front upstream position.

Brand:
Genuine BMW - Corporate Logo
ES#:
2767303
Mfg#:
11787848482
Ships in 3 Business Days
15% 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
06-03-2026

$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front

ES#4879320 - 11787848482 - Oxygen Sensor - Front - Upstream Oxygen Sensor, priced each - URO - BMW

Upstream Oxygen Sensor, priced each 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#:
4879320
Mfg#:
11787848482
In Stock
$109.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11025 - 15138 - Front Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Also BMW # 11781406621. Located in the rear position of the exhaust manifold for cylinders 1-3 on the S54 engine 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#:
11025
Mfg#:
15138
In Stock
Limited Qty Sale
$145.27

This product was last offered at the strikethrough price on
05-21-2026

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Service Kit

ES#2718217 - 11157848155KT - Oil Separator Service Kit - Everything you need to service your PCV system - Genuine BMW - BMW

Everything you need to service your PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2718217
Mfg#:
11157848155KT
Ships in 3 Business Days
$1077.99 USD
Free Shipping
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

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