Hi Scotty, My friend got a problem with his bmw e46 328i 1999(his blinkers are working :P ). When…

Hi Scotty,
My friend got a problem with his bmw e46 328i 1999(his blinkers are working :P ).
When the engine is cold the rpm are dropping every few seconds to about 500, and get right back
to normal, until the engine warms up. Is it the idle air valve? Can he check it for cheap?
Btw, I love your videos, keep it up ;)

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