This Genuine BMW Hardware Kit provides factory-original replacement fasteners to ensure structural integrity and absolute peace of mind during your next project.
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 Into Our F80 M3 Sweepstakes
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
***Please see photos and description prior to ordering, all sales final.***
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
Brand:
ES#:
4818233
Mfg#:
18307604831SD
In Stock
ON SALE!
SAVE 73%
$532.99
This product was last offered at the strikethrough price on 05-02-2026
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.
Lifetime Replacement
