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BMW E70 Exhaust Emission Parts

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Rear Oxygen Sensor Set

Sluggish O2 sensors don't just trigger annoying Check Engine Lights; they cause poor fuel economy, rough idling, and can even degrade your expensive catalytic converters over time. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481204
Mfg#:
11787545074/5KT
In Stock
$366.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diesel Emissions Fluid Pump (Supply Module)

ES#254460 - 16197244137 - Diesel Emissions Fluid Pump (Supply Module) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
254460
Mfg#:
16197244137
Ships in 1-2 days
6% off MSRP

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

$786.99

This product was last offered at the strikethrough price on
07-17-2026

$738.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E70 X5 Exhaust Cooler

ES#261857 - 11717807927 - E70 X5 Exhaust Cooler - The part of your exhaust system that reduces pollutants and keeps you emissions friendly - Genuine BMW - BMW

The part of your exhaust system that reduces pollutants and keeps you emissions friendly

Brand:
Genuine BMW - Corporate Logo
ES#:
261857
Mfg#:
11717807927
Ships in 1-2 days
6% off MSRP

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

$645.99

This product was last offered at the strikethrough price on
07-17-2026

$606.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#254350 - 13627801158 - Oxygen Sensor - Cure your poor fuel mileage by replacing your worn oxygen sensors - Genuine BMW - BMW

Cure your poor fuel mileage by replacing your worn oxygen sensors

Brand:
Genuine BMW - Corporate Logo
ES#:
254350
Mfg#:
13627801158
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
07-17-2026

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

Exhaust Cooler

ES#3464800 - 11717807927 - Exhaust Cooler - The part of your exhaust system that reduces pollutants and keeps you emissions friendly - Mahle-Behr - BMW

The part of your exhaust system that reduces pollutants and keeps you emissions friendly

Brand:
Mahle-Behr - Corporate Logo
ES#:
3464800
Mfg#:
11717807927
Ships in 1-2 days
$580.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW At-Diesel Particulate Filter (DPF)

ES#3102052 - 18308512287 - Genuine BMW At-Diesel Particulate Filter (DPF) - Includes refundable $360.00 core charge. - Genuine BMW - BMW

Includes refundable $360.00 core charge.

Brand:
Genuine BMW - Corporate Logo
ES#:
3102052
Mfg#:
18308512287
Ships in 4 Business Days
$5031.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Exhaust Gasket - Priced Each

Located between downpipe and mid-pipes, 2 required 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470577
Mfg#:
18307553603
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 20%
$17.99

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

$14.39 USD
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#4900665 - 13627801158 - Oxygen Sensor - Enhance your BMWs performance and keep your engine running clean. - Meyle - BMW

Enhance your BMW’s performance and keep your engine running clean. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900665
Mfg#:
13627801158
Special Order: No Guaranteed ETA
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

ES#4487460 - 11787545074 - Rear Oxygen Sensor - Bank 1 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#:
4487460
Mfg#:
11787545074
Special Order: No Guaranteed ETA
$116.99 USD
Free Shipping
on orders $49 and up

NOx Sensor - Urea Injection

This precision-engineered sensor monitors nitrogen oxide levels in the exhaust stream, providing critical data to the engine management system. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5456361
Mfg#:
MEX1581
Special Order: No Guaranteed ETA
$291.99 USD
Free Shipping
on orders $49 and up

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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