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E30 (1982 - 1993)
God's Chariot. The E30 was produced primarily from 1982 through 1991. The cabriolet was the one exception which was produced through 1993.

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Old 10-20-2016, 12:37 PM
kenshin86 kenshin86 is online now
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Location: Tripoli
Join Date: Aug 2016
Posts: 4
Mein Auto: 86
Crankcase breather hose diameter (M42)

Hello everyone.

I want to install an oil catch can on the M42 engine.
The seller has 3 barbed fittings options: 8, 10 & 12 mm.
Can somebody please tell me the diameter size of the breather hose (#10 in the diagram below).

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