Add an aggressive exhaust note to your F30 N55's stock exhaust system
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Brand:
ES#:
5426224
Mfg#:
008727LA01
In Stock
ON SALE!
SAVE 30%
$399.99
This product was last offered at the strikethrough price on 05-02-2026
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 For Our 25th Anniversary Sweepstakes!
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:
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock
$400.99
This product was last offered at the strikethrough price on 07-14-2026
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!
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
