Quote:
Originally Posted by ttam
its not e90 or e92 or even e93 specific. Its specific to the engine.
The tune the OP is referring to is meant for NA engines.
Now if you had a N51, you would have a 3 stage manifold (from everything that I've read here)
OAKernie, most likely you would have an N51 if you own a 328i and you are also in California and your car build date was built after 2008
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yeah i entered the vin on the realOEM website and i do have a N51 engine i also remember on the paperwork from the dealership it is a SULEV vehicle