Any info why the steel blocks have them and the aluminium blocks don't ?
Ive always wondered why??
Freeze plug/ core plug
Moderator: martauto
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reggid
- E30 Zone Squatter

- Posts: 1984
- Joined: Mon Jul 11, 2005 11:00 pm
- Location: Oz
probably a different casting process
E30 325is with M20B31
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HRH-squidlips_III
- E30 Zone Newbie

- Posts: 79
- Joined: Sun Jun 19, 2016 11:00 pm
i can only assume
its because alu wont rust as a steel block will
its because alu wont rust as a steel block will
