E36 328i/M52 vs euro M3 airbox.

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John Burns - 02 Oct 2006 22:25 GMT

The parts CD says that the //M3 3.0, 3.2 and M52 all have different
airboxes and a different "suction pipe" from the airbox to the front of
the car. Yet all 3 take the same size air filter and the airboxes look
similar.

Anybody know if the //M parts are less restrictive to airflow? I'm sure
they'd be a cheap upgrade from someone parting out an //M3.

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adder1969@yahoo.co.uk - 03 Oct 2006 10:10 GMT

> The parts CD says that the //M3 3.0, 3.2 and M52 all have different
> airboxes and a different "suction pipe" from the airbox to the front of
[quoted text clipped - 3 lines]
> Anybody know if the //M parts are less restrictive to airflow? I'm sure
> they'd be a cheap upgrade from someone parting out an //M3.

I seem to recall that the older US M3s used the 325i airbox so I
suspect that an M3 box might well fit on a 328.

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