
(Updated 10/19/2026) I vividly remember reading in Auto Motor und Sport the first time about BMW’s plans to build a diesel. Oh no! How can they sully their reputation for their engines, which invariably get described as being “turbine smooth” in every magazine review? What’s the world coming to?
But then after BMW unleashed their low-rev, high-efficiency eta gas engine, in the form of the 528e in 1982, which contradicted all of their efforts so far in building the ultimate engines, the writing was on the wall. And sure enough, just one year later, the 524td arrived, and it turned out to be, well, the BMW of diesels. It had the highest specific output (47.5 hp/L) of any diesel at the time, it revved cleanly to 5000rpm, it had a top speed of 112mph and clicked off the 0-60 run in 11.0 seconds, and was remarkably quiet to boot.
There was only one problem.
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