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BMW E84 X1 xDrive35i N55 3.0L

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BMW E84 X1 xDrive35i N55 3.0L Exhaust Emission Parts

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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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
In Stock
ON SALE! SAVE 25%
$48.99

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

$36.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3236239 - 11787596924 - Oxygen Sensor - 740mm. Front O2 sensor/Lambda probe - Bosch - BMW
ECS Tuning recommends this product.

740mm. Front O2 sensor/Lambda probe We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3236239
Mfg#:
11787596924
In Stock
$170.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Exhaust Gasket - Priced Each

ES#2626518 - 18307553603 - Downpipe Exhaust Gasket - Priced Each - Located between downpipe and mid-pipes, 2 required - Elring - BMW
ECS Tuning recommends this product.

Located between downpipe and mid-pipes, 2 required 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2626518
Mfg#:
18307553603
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
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

Brand:
Emico - Corporate Logo
ES#:
4005308
Mfg#:
602205
Ships in 3 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Exhaust Gasket - Priced Each

ES#40634 - 18307553603 - Downpipe Exhaust Gasket - Priced Each - Located between downpipe and mid-pipes, 2 required - Genuine BMW - BMW

Located between downpipe and mid-pipes, 2 required

Brand:
Genuine BMW - Corporate Logo
ES#:
40634
Mfg#:
18307553603
In Stock
7% off MSRP

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

$34.34

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

$31.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
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 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
10-12-2026

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

Oxygen Sensor - rear Position

ES#2165535 - 11787601911 - Oxygen Sensor - rear Position - Reads out emissions levels to the cars computer - Genuine BMW - BMW

Reads out emissions levels to the cars computer

Brand:
Genuine BMW - Corporate Logo
ES#:
2165535
Mfg#:
11787601911
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.

$325.99

This product was last offered at the strikethrough price on
10-12-2026

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

Pipe Bracket - Front

ES#241873 - 18207553606 - Pipe Bracket - Front - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
241873
Mfg#:
18207553606
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.

$78.99

This product was last offered at the strikethrough price on
10-12-2026

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#39984 - 18207544250 - Torx Bolt - Priced Each - For the bracket holding the midpipes. See MOQKT - Genuine BMW - BMW

For the bracket holding the midpipes. See MOQKT

Brand:
Genuine BMW - Corporate Logo
ES#:
39984
Mfg#:
18207544250
Ships in 1-2 days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Exhaust Gasket - Priced Each

ES#5470577 - 18307553603 - Downpipe Exhaust Gasket - Priced Each - Located between downpipe and mid-pipes, 2 required - Bremmen Parts - BMW

Located between downpipe and mid-pipes, 2 required 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5470577
Mfg#:
18307553603
In Stock
ON SALE! SAVE 10%
$18.99

This product was last offered at the strikethrough price on
10-08-2026

$17.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Position

ES#2992473 - 11787601911 - Oxygen Sensor - Rear Position - Reads out emissions levels to the cars computer - Walker - BMW

Reads out emissions levels to the cars computer

Brand:
Walker - Corporate Logo
ES#:
2992473
Mfg#:
11787601911
Ships in 1 day
$176.99

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

$171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oxygen Sensor Bung - Priced Each

ES#5051 - ATP-FLS-022 - Universal Oxygen Sensor Bung - Priced Each - Stainless steel weld-in nut for any O2 sensor - ATP - Audi BMW Volkswagen

Stainless steel weld-in nut for any O2 sensor

Brand:
ATP - Corporate Logo
ES#:
5051
Mfg#:
ATP-FLS-022
Ships in 6 Business Days
$12.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Set - Pre and Post Catalytic Converter

ES#5481272 - 11787589475KT - Oxygen Sensor Set - Pre and Post Catalytic Converter - Is your BMW or MINI throwing a pesky check engine light, suffering from a rough idle, or guzzling fuel like it's track day? Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, sending lazy signals to your DME. - Assembled By ECS - BMW

Is your BMW or MINI throwing a pesky check engine light, suffering from a rough idle, or guzzling fuel like it's track day? Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, sending lazy signals to your DME. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481272
Mfg#:
11787589475KT
In Stock
$342.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter

ES#2678326 - 18307597063KT - Remanufactured Catalytic Converter - Priced includes refundable $50 core charge - Genuine BMW - BMW

Priced includes refundable $50 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2678326
Mfg#:
18307597063KT
Ships in 1-2 days
$4260.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

740mm. Front O2 sensor/Lambda probe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491432
Mfg#:
11787596924
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$125.99

This product was last offered at the strikethrough price on
10-08-2026

$113.39 USD
Free Shipping
on orders $49 and up
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.

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

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