The AEM UEGO has become the industry standard for wideband
gauges when talking about Wideband Air/Fuel. We believe you
should think of the engine in your BMW as an investment, and one of
the best ways to protect that investment is to know what’s going on
inside the combustion chamber.
A wideband gauge is the best way to monitor how your engine is
performing. Too rich and you are wasting fuel and losing power, too
lean and you are flirting with engine damage! The digital display
is easy to read at a glance and also has an LED “needle” that goes
from green to yellow to red when the air/fuel mixture changes from
rich (safe) to lean (dangerous).
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