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BMW E30 Exhaust Emission Parts

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Direct-Fit Catalytic Converter

ES#4489125 - 3321554 - Direct-Fit Catalytic Converter - Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California. - Magnaflow - BMW

Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with Production dates 1987-1991

Brand:
Magnaflow - Corporate Logo
ES#:
4489125
Mfg#:
3321554
Ships in 1 Business Day
$1932.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Mid Pipe with Catalytic Converters

ES#2835358 - 11761716744KT - Remanufactured Mid Pipe with Catalytic Converters - Price includes $50 core charge - Genuine BMW - BMW

Price includes $50 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
2835358
Mfg#:
11761716744KT
Ships in 1-2 days
$2060.99 USD
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor

Located in the front portion of the center muffler assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
27176
Mfg#:
11781716114
Ships in 6 Business Days
7% off MSRP

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

$445.99

This product was last offered at the strikethrough price on
06-07-2026

$415.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Re manufactured catalytic converter

ES#3021164 - 11761716748KT - Re manufactured catalytic converter - Price includes $50 core charge - Genuine BMW - BMW

Price includes $50 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3021164
Mfg#:
11761716748KT
Ships in 9 Business Days
$2311.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter - Direct-Fit

ES#2617885 - 23551 - Catalytic Converter - Direct-Fit - Brand new catalytic converter for your BMW! - Magnaflow - BMW

Brand new catalytic converter for your BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date up to 12/1984
For Vehicles with Production year 1984

Brand:
Magnaflow - Corporate Logo
ES#:
2617885
Mfg#:
23551
Back Ordered
$565.00 USD
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.

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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