| 2003 BMW Open | |
|---|---|
| Date | 28 April – 4 May | 
| Edition | 88th | 
| Category | International Series | 
| Surface | Clay / outdoor | 
| Location | Munich, Germany | 
| Venue | MTTC Iphitos | 
| Champions | |
| Singles | |
|  Roger Federer | |
| Doubles | |
|  Wayne Black /  Kevin Ullyett | |
The 2003 BMW Open was a men's tennis tournament played on outdoor clay courts in Munich in Germany and was part of the International Series of the 2003 ATP Tour. The tournament ran from 28 April through 4 May 2003. Roger Federer won the singles title.
 Roger Federer defeated
 Roger Federer defeated  Jarkko Nieminen 6–1, 6–4
 Jarkko Nieminen 6–1, 6–4
 Wayne Black /
 Wayne Black /  Kevin Ullyett defeated
 Kevin Ullyett defeated  Joshua Eagle /
 Joshua Eagle /  Jared Palmer 6–3, 7–5
 Jared Palmer 6–3, 7–5