other gas tank swapping

[auggiemize]

Will a 72 (non-tii) gas tank work in a 76 (also non-tii), or are there differences? If so what..? Thanks, Dave V. in NC

[2joejoe2]

Yes but the mounting holes in my case were diff

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[gaius]

i put a tank from a 75-76 in a 72 once the shape was the same, but the holes were off. NABD

[Conserv]

The U.S. square taillight gas tanks have their right rear corner "clipped" to accommodate some of the reinforcements necessary to meet the '74 and later crash standards. I was under the impression that you could, therefore, fit a square taillight gas tank into a round taillight, but not vice versa. I could be wrong with my fitment conclusion but I'm confident the square taillight tanks have that clipped corner!

Regards,

Steve

[Guest_anonymous]

also the filler necks are different. early tank has short stem needs a long rubber filler neck, later tanks have a long stem which takes the short rubber filler neck

[BLUNT]

Also the mounting holes on some tanks have changed when ordering same year tanks. This leads me to believe BMW is superseding tanks that will physically fit but may need mounting holes improvised. Not a big deal for my driver but I can see it being frustrating if youre a super purist restoring a car

[auggiemize]

What I needed to know folks, thanks for the input.

dave v. in NC

[Mike Self]

One more thing--IIRC the squarelight tanks have a slightly larger capacity than the roundie tanks, and use different sender units.  But the previously stated interchanges will work--just make sure you have the correct sender for your new tank.

 

cheers

mike