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BMW 135i Exhaust Parts & Accessories

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Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4766515 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - Bremmen Parts - BMW

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766515
Mfg#:
11787545075
In Stock
ON SALE! SAVE 21%
$113.99

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

$90.57 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 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

E82/E88 N54 Performance Axle-Back Exhaust

ES#4785786 - 019910LA - E82/E88 N54 Performance Axle-Back Exhaust - Lightweight axle-back featuring an exotic exhaust note. Designed for minimal drone at driving speed and maximum volume when desired. - ECS - BMW

Lightweight axle-back featuring an exotic exhaust note. Designed for minimal drone at driving speed and maximum volume when desired. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4785786
Mfg#:
019910LA
In Stock
ON SALE!
Starting at $711.89 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Back Exhaust System

ES#2532561 - 49-36302-P - Axle Back Exhaust System - Mandrel-bent stainless steel with polished tips - AFE - BMW

Mandrel-bent stainless steel with polished tips

Brand:
AFE - Corporate Logo
ES#:
2532561
Mfg#:
49-36302-P
Ships in 3 Business Days
20% off MSRP

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

$1311.99

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

$1049.00 USD

VRSF 4" Turbo to Downpipe Clamp - BMW

ES#3984937 - 505040 - VRSF 4" Turbo to Downpipe Clamp - BMW - 4" Turbo to Downpipe Clamp for 4" Downpipes - VRSF - BMW

4" Turbo to Downpipe Clamp for 4" Downpipes We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984937
Mfg#:
505040
Ships in 1-2 days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Turbos and Turbocharger Installation Kit

Are your factory N54 turbos plagued by the dreaded wastegate rattle, or worse, starting to blow smoke? Don't just replace them, upgrade your ultimate driving machine with the ultimate DIY refresh kit. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481178
Mfg#:
13712247398KT3
Ships on Sep 29, 2026
Auto Notify
ON SALE!
$1869.48

This product was last offered at the strikethrough price on
06-19-2026

$1869.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

E82/E88 135 Muffler Delete & M-Sport Rear Diffuser

ES#4876665 - 039172EBKT - E82/E88 135 Muffler Delete & M-Sport Rear Diffuser - Complete transformation for your 1 series. Direct bolt on muffler delete for a rowdy sound and a new and improved aggressive diffuser to compliment the exhaust. - Enthusiast Bundles - BMW

Complete transformation for your 1 series. Direct bolt on muffler delete for a rowdy sound and a new and improved aggressive diffuser to compliment the exhaust. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876665
Mfg#:
039172EBKT
In Stock
ON SALE! SAVE 37%
$947.97

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

$599.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Multifunctional Trunk Floor Pan

ES#2228442 - 51718051597 - Multifunctional Trunk Floor Pan - Located below trunk carpet - Genuine BMW - BMW

Located below trunk carpet Popular component used in 1M exhaust upgrades

Brand:
Genuine BMW - Corporate Logo
ES#:
2228442
Mfg#:
51718051597
In Stock
3% off MSRP

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

$581.99

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

$566.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Bank 2 Post-Cat

ES#4870458 - 11787545075 - Rear Oxygen Sensor - Bank 2 Post-Cat - Fuel control and emissions control sensor - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
4870458
Mfg#:
11787545075
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#40452 - 18301737774 - Hex Nut - Priced Each - Install new hardware with your new parts. M10 - Genuine BMW - BMW

Install new hardware with your new parts. M10

Brand:
Genuine BMW - Corporate Logo
ES#:
40452
Mfg#:
18301737774
In Stock
$2.99

This product was last offered at the strikethrough price on
03-04-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless

ES#4146865 - 026732TMS06-02 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet 3.0 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE! SAVE 26%
$125.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat back exhaust - black tips

ES#2827642 - SSXBM948 - Performance Cat back exhaust - black tips - Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. - Milltek Sport - BMW

Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance.

Brand:
Milltek Sport - Corporate Logo
ES#:
2827642
Mfg#:
SSXBM948
Ships in 3 Business Days
$1456.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 Turbocharger Installation Kit - Front And Rear

ES#2501019 - 13712247398KT - N54 Turbocharger Installation Kit - Front And Rear - All hardware required for a successful install - Genuine BMW - BMW

All hardware required for a successful install

Brand:
Genuine BMW - Corporate Logo
ES#:
2501019
Mfg#:
13712247398KT
Ships in 1-2 days
ON SALE!
$674.99

This product was last offered at the strikethrough price on
06-23-2026

$656.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 Turbocharger Installation Kit - Front

ES#2628679 - 11510392553KT1 - N54 Turbocharger Installation Kit - Front - All hardware required for a successful install utilizing high quality aftermarket components - Assembled By ECS - BMW

All hardware required for a successful install utilizing high quality aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2628679
Mfg#:
11510392553KT1
Ships in 1-2 days
ON SALE!
$261.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E82/E88 135 Cat-Back Exhaust & M-Sport Rear Diffuser

ES#4876427 - 019281LAEBKT - E82/E88 135 Cat-Back Exhaust & M-Sport Rear Diffuser - Lightweight cat-back featuring an exotic exhaust note AND an upgraded M-Sport Rear Diffuser. Transform the entire aesthetic and sound of your 1 series with this ECS upgrade package! - Enthusiast Bundles - BMW

Lightweight cat-back featuring an exotic exhaust note AND an upgraded M-Sport Rear Diffuser. Transform the entire aesthetic and sound of your 1 series with this ECS upgrade package! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876427
Mfg#:
019281LAEBKT
In Stock
ON SALE! SAVE 22%
$1597.97

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

$1249.00 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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