This is the one-off 550bhp secret BMW M5 CSL
![](https://www.topgear.com/sites/default/files/2022/06/_PR_9300.jpg)
The $142,000 M5 CS is BMW's most powerful production car ever, but
![](https://www.topgear.com/sites/default/files/images/big-read/2016/01/ad883234099a665e9b78ada9634bdcb6/2fordgtbunkerlead.jpg)
This is the one-off 550bhp secret BMW M5 CSL
![](https://www.topgear.com/sites/default/files/images/big-read/2023/06/97ba0cad8db1f72e02f51facd7f54304/DSC00027.jpg?w=405&h=228)
Secret Stash
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BMW E60 M5 Hidden Cool Features Exposed
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WE ARE M – The secret BMW M Garage “CSL special part 1”.
The $142,000 M5 CS is BMW's most powerful production car ever, but
![](https://www.topgear.com/sites/default/files/news-listicle/image/2015/12/secretstashdec2015.jpg)
This is the one-off 550bhp secret BMW M5 CSL
![](https://cimg9.ibsrv.net/gimg/acurazine.com-vbulletin/800x400/1567118659_ff3fa769391ee076c03cfbd353d74303d21ae24f.jpeg)
BMW: 3-Series News - Page 98 - AcuraZine - Acura Enthusiast Community
![](https://www.topgear.com/sites/default/files/images/gallery-migration/2012-08/F861643A-C96A-49C2-9E2D-990913183CB0_0.jpg)
This is the one-off 550bhp secret BMW M5 CSL
![](https://www.topgear.com/sites/default/files/images/news-article/2017/05/f3bd619e68b6b9a614e5324f22bd4674/p90260947.jpg)
BMW M8 announced: the fast 8 series
![](https://i.ytimg.com/vi/fF66OPqEC7k/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLDnAvY2FCg0_arF5cBye3CXv3Ketw)
WE ARE M – The secret BMW M Garage “CSL special part 1”.
![](https://ak2.rmbl.ws/s8/1/R/J/E/Z/RJEZj.oq1b.2-small-New-C63-4-Cyl-Driven-We-Nee.jpg)
Remove Before Race
![](https://www.topgear.com/sites/default/files/images/gallery-migration/2013-05/F9665A79-C351-4CDB-9F06-0F983305D6FF_0.jpg)
This is the one-off 550bhp secret BMW M5 CSL
![](https://ak2.rmbl.ws/s8/1/V/P/B/Z/VPBZj.oq1b.2-small-Living-with-the-911-GTS-Its.jpg)
Remove Before Race
![](https://www.topgear.com/sites/default/files/images/news-article/2022/06/1cf1c26d79adcafd5b45633bad158264/_PR_9656.jpg)
This is the one-off 550bhp secret BMW M5 CSL