Carbon Fibre Race Airbox BMW M3 E46
for sale is a brandnew Carbon Fibre Race Airbox for the S54 engine-M3 E46 and Z4M
With such a Airbox you'll have arounds 20hp power increase and a great sound.
But note: You'll need another engine managment system to use that Airbox because you are repkacing your stock MAF!
That Box is Made in Germany and a high quality part.
Price 1350 Euro
(costs normally 1890 Euro)