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BMW 135i Exhaust Parts & Accessories

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Front Oxygen Sensor Set

Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock
$400.99

This product was last offered at the strikethrough price on
07-14-2026

$333.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481272
Mfg#:
11787589475KT
In Stock
$335.99 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
In Stock
ON SALE! SAVE 20%
$17.99

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

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Axle-Back Exhaust - Black Tips

ES#3149135 - D660-0025-BLK - Stainless Axle-Back Exhaust - Black Tips - Civilized performance for the discerning enthusiast - +6HP/+5TQ - Dinan - BMW

Civilized performance for the discerning enthusiast - +6HP/+5TQ Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
3149135
Mfg#:
D660-0025-BLK
Ships in 5 Business Days
11% off MSRP

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

$2081.99

This product was last offered at the strikethrough price on
08-20-2026

$1849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Performance Exhaust System

ES#4029486 - SSE88135N55 - Supersprint Performance Exhaust System - Setup up your exhaust system just the way you like it with this kit from Supersprint. - Supersprint - BMW

Setup up your exhaust system just the way you like it with this kit from Supersprint.

Brand:
Supersprint - Corporate Logo
ES#:
4029486
Mfg#:
SSE88135N55
Ships on Nov 23, 2026
Starting at $0.00 USD
Customize
This product is lifetime replacement eligible Partial Replacement

Front Oxygen Sensor - Bank 2 Pre-Cat

ES#2627593 - 11787558087 - Front Oxygen Sensor - Bank 2 Pre-Cat - Fuel control and emissions sensor - Walker - BMW

Fuel control and emissions sensor

Brand:
Walker - Corporate Logo
ES#:
2627593
Mfg#:
11787558087
Ships in 1-2 days
$228.99

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

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Bank 2, Pre-Cat

ES#4900503 - 11787558087 - Oxygen Sensor - Bank 2, Pre-Cat - Restore the performance and reliability of your BMW with this essential emissions component from Meyle. - Meyle - BMW

Restore the performance and reliability of your BMW with this essential emissions component from Meyle. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900503
Mfg#:
11787558087
Ships on Sep 8, 2026
$151.99 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
Ships on Sep 8, 2026
$116.99 USD
Free Shipping
on orders $49 and up

Front Oxygen Sensor - Bank 1 Pre-Cat

Fuel control and emissions control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480567
Mfg#:
11787558055
Ships on Oct 19, 2026
Auto Notify
$99.99 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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491432
Mfg#:
11787596924
Ships on Nov 19, 2026
Auto Notify
$125.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 1 Post-Cat

Fuel control and emissions control sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5505435
Mfg#:
11787545074
Special Order: No Guaranteed ETA
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Support Bracket With Hardware

Lighter than the OE steel bracket and made from a corrosion resistant material

Brand:
Rogue Engineering - Corporate Logo
ES#:
4875871
Mfg#:
RE.309.NOKT
Back Ordered
$169.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair

ES#2986535 - 006555ecs04a02KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Black Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986535
Mfg#:
006555ECS04A02KT
In Stock
ON SALE! SAVE 10%
$155.99

This product was last offered at the strikethrough price on
06-13-2026

$140.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

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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