eastsidebimmer

Rear Finned Diff Cover - ?

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This cover, (a BMW part with date stamp 74 on the inside) came on a diff I recently purchased. Does anyone know the "how and why" for the cover with the extra two cooling Fins? Were the fins added for cooling or badassery?

new6xe.jpg

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looks like a post- 73 diff cover to me- nice, but not unusual.

t

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