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BMW Emissions Component Maintenance Parts

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Oxygen Sensor - Priced Each

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

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
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

Gen 1 B58 PCV Pressure Control Valve Repair Kit

ES#4635792 - 11121025447 - Gen 1 B58 PCV Pressure Control Valve Repair Kit - BMW's solution for the dreaded B58 PCV failure - Genuine BMW - BMW

BMW's solution for the dreaded B58 PCV failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the earlier Gen 1 B58 only - Not for use with the B58TU Engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4635792
Mfg#:
11121025447
In Stock
6% off MSRP

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

$308.99

This product was last offered at the strikethrough price on
06-20-2026

$288.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#2992472 - 11787589122 - Oxygen Sensor - Rear - Fuel control and emissions sensor - Bosch - BMW

Fuel control and emissions sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2992472
Mfg#:
11787589122
In Stock at Vendor
$168.99

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

$163.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Downstream Catalytic Converter

ES#4766517 - 11787589475 - Oxygen Sensor - Downstream Catalytic Converter - 690mm. Rear O2 sensor/Lambda probe - Bremmen Parts - BMW

690mm. Rear O2 sensor/Lambda probe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766517
Mfg#:
11787589475
In Stock
ON SALE! SAVE 20%
$127.99

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

$101.99 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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Cold Climate Oil Separator Kit - Level 2

ES#2603034 - E46M54OSC3KT - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance 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#:
2603034
Mfg#:
E46M54OSC3KT
In Stock
ON SALE! SAVE 23%
$161.99

This product was last offered at the strikethrough price on
06-16-2026

$124.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108046 - e46m54osw2kt2 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector 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#:
3108046
Mfg#:
E46M54OSW2KT2
In Stock
ON SALE! SAVE 23%
$227.48

This product was last offered at the strikethrough price on
01-03-2026

$176.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Climate Oil Separator Kit - Level 2

ES#2550206 - E46M54OSC2KT - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Superior performance for both warm and cold climates

Brand:
Assembled By ECS - Corporate Logo
ES#:
2550206
Mfg#:
E46M54OSC2KT
In Stock
ON SALE! SAVE 48%
$261.99

This product was last offered at the strikethrough price on
02-03-2026

$137.46 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11026
Mfg#:
13951
In Stock at Vendor
$208.90

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

$186.98 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11024
Mfg#:
13952
In Stock
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N52 Upgraded Silicone CCV Hose (11157522931)

ES#5373987 - 058973LA02 - N52 Upgraded Silicone CCV Hose (11157522931) - Replace your failure-prone plastic breather hose with a durable, long-lasting solution! - Turner Motorsport - BMW

Replace your failure-prone plastic breather hose with a durable, long-lasting solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5373987
Mfg#:
058973LA02
In Stock
$101.99 USD
Free Shipping

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

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock at Vendor
$147.99

This product was last offered at the strikethrough price on
06-12-2026

$123.00 USD
Free Shipping
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 17, 2026
Auto Notify
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

Oxygen Sensor - Pre-Catalytic Converter

ES#4316399 - 11788644371 - Oxygen Sensor - Pre-Catalytic Converter - Bosch Upstream O2 Sensor - Bosch - BMW

Bosch Upstream O2 Sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316399
Mfg#:
11788644371
In Stock at Vendor
$159.99

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

$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#261735 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
261735
Mfg#:
11787514927
In Stock at Vendor
$139.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2840643 - 11787836394 - Oxygen Sensor - Bank 1 sensor, before the catalytic converter - Bosch - BMW

Bank 1 sensor, before the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2840643
Mfg#:
11787836394
In Stock at Vendor
41% off MSRP

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

$320.72

This product was last offered at the strikethrough price on
06-20-2026

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

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