BMW E12 E24 E9 E28 M30 Air Intake Runner Conversion using E21 320 Fat Tubes (2) | eBay
Buying from 1 car and picking up these 2 tubes will simplify the process.What you get are 2 intake tubes removed from a single E21 320 2.0L M10 engine. PN ends in 1 264 724. One has studs installed and the other does not.
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