Push past the factory boost limits without paying the "BMW tax." Ensure accurate boost readings and safe fueling up to 36 PSI with this Bremmen Parts 3.5 Bar sensor and Plug and Play adapter kit.
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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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OE-quality Crankcase Vent Heater Connector (also known as the "Angle Connector") designed for the BMW N51, N52, and N52N engines.
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This harness is specifically engineered for BMW N54 owners who are upgrading to a front-facing intake manifold.
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Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.
Lifetime Replacement
