4 E21 Aluminum Air Intake Pipes 

The conversion of the 6 intake suction pipe tubes on your early 5er or 6er gives more low end torque and a flatter torque curve as described in many articles.  Please do your research to figure out if these will fit your engine.  My understanding is that they will fit E12 and early E24 engines, but since many of the older cars have had engine conversions and other mods, this kit may or may not fit.

To accomplish this conversion you must buy intake manifold setups from 2 different '77-79 E21 320/320i cars. What you get are 4 intake tubes removed from a single E21 320 2.0L M10 engine.   PN ends in 1 264 724.  You need to acquire 2 more tubes.

Each tube is in good condition.  No cracks or any damages.  Each has been cleaned a bit and is ready for use as is.  One has studs installed and the other does not.

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