Gearbox & driveline

All you need to know on buying or maintaining an E21 is being gathered here!
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uwbuurman
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My E21(s): 1978 type 1 323i 5speed dogleg Polaris
Location: Ljouwert

Re: Gearbox & driveline

Post by uwbuurman »

Best you'll start a topic for your car in the 4 cilinder section. We like to read more from you about this e21 and its owner.

When you source a box, be sure to get one with a mechanical speedo cable output. That is at the rear end of the box, in the lower corner. Gearboxes for m10 without that cableslot are for e30 or e28. The'll fit, but you won't have a speedo signal.


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1978 BMW 323i
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1987 BMW 325iA cabriolet
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Happy_Dan
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Joined: Tue Jun 10, 2025 5:41 pm
My E21(s): 1983 E21 5 Speed manual

Re: Gearbox & driveline

Post by Happy_Dan »

Thank you, I will post about the car in the 4 cylinder section.
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Jeroen
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My E21(s): '81 323i Baur
Location: The Netherlands
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Re: Gearbox & driveline

Post by Jeroen »

Welcome Dan! More gearbox info on our regular website https://www.bmwe21.net/?page_id=124
Regards/groeten, Jeroen
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