Includes mounting bracket, hoses and fitting for a complete install
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Brand:
ES#:
5445419
Mfg#:
20-0373
In Stock
ON SALE!
SAVE 30%
$259.99
This product was last offered at the strikethrough price on 05-02-2026
Cure the B58 whistling idle and completely reverse the collateral damage. This comprehensive kit repairs the torn PCV valve and replaces the oil-fouled spark plugs, heat-stressed ignition coils, and brittle vent hose in one complete top-end service.
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Brand:
ES#:
5483115
Mfg#:
11157637521KT
In Stock
$567.99
This product was last offered at the strikethrough price on 07-14-2026
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.
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Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests.
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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 feeling a bit sluggish, idling rough, or burning through fuel faster than usual? Don't let aging oxygen sensors rob your engine of its performance.
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Brand:
ES#:
5481586
Mfg#:
11787558055/73KT
In Stock
$374.99
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.
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Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.
Lifetime Replacement
