bat auction success

BaT Auction Success Story: Both Sides of the E39 Coin: A Practical Look

Back in January 2023, BaT member J3ter won this 2003 BMW M5 Dinan S2 from RocketTurtle, and he recently wrote in with a Success Story about it:

I’ve always considered myself an E39 enthusiast, having put thousands of miles on my father’s ’99 540i over the years. Living close to the BMW factory in Spartanburg, I’ve driven plenty of modern M cars—ones with massive power and tech—at their track events, but I had never experienced what made the E39 M5 so special.

For months, I browsed auction listings but never found one that felt right. They were either garage queens with impossibly low miles or presented complicated histories with multiple owners. Then, this one-owner M5 popped up just over the mountain from me in Knoxville, only two hours away. Not only was it close to home, but it was a Dinan S2! After a spirited bidding war, it was mine.

Originally, I planned to sell my 540i to make garage space, but now that I’ve driven them back to back, I’m keeping both. I have never driven a stock M5, but the Dinan S2 actually makes me appreciate the 540i even more. The 540i is sophisticated and composed; it puts down the power beautifully and handles with such refinement, yet responds immediately when you want to get after it.

The Dinan, on the other hand, is just angry—in the best possible way. It demands to be revved, and while it doesn’t necessarily turn tighter than the 540i (this example does have the M-Sport Package), everything about the suspension and overall body control feels more purposeful and direct. Owning both cars has given me the perfect perspective on what makes the E39 platform so remarkable across its entire range.

If you have a Success Story about a car you’ve bought or sold on BaT, please send a few lines and pictures (or a video) to community.content@bringatrailer.com, and we’ll send you a $50 credit to the BaT Gear Store when your story posts to the site.

We love to hear from satisfied BaT buyers and sellers, and a Success Story feature is a great addition to any car’s history when you’re ready to sell.

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