| 2004 BMW Open | |
|---|---|
| Date | 26 April – 2 May |
| Edition | 89th |
| Category | International Series |
| Draw | 32S / 16D |
| Prize money | $355,000 |
| Surface | Clay / outdoor |
| Location | Munich, Germany |
| Venue | MTTC Iphitos |
| Champions | |
| Singles | |
 Nikolay Davydenko[1] | |
| Doubles | |
 James Blake /  Mark Merklein[2] | |
The 2004 BMW Open was a men's tennis tournament played on outdoor clay courts in Munich, Germany and was part of the International Series of the 2004 ATP Tour. The tournament ran from 26 April until 2 May 2004. Unseeded Nikolay Davydenko won the singles title.