I have a question. On my 04 Sti it has an stock manual boost controller in the engine. i bought a new BCU+ boost controller kit. i have installed it but still have question what to do with the old controller. the thing is if i removed it the CEL comes on. what should i do?
Boost controller reliably and safely control car turbo boost.Boost controllers can be simple manual controllers, or more complicated and precise electronic boost controllers.Made from high quality metals and machined with precision, ensure you buy a genuine high quality boost controller from Autospeed.