1990 BMW Open
Date	30 April – 7 May
Edition	74th
Category	World Series
Draw	32S/16D
Surface	Clay / outdoor
Location	Munich, West Germany
Venue	MTTC Iphitos
Champions
Singles
Karel Nováček[1]
Doubles
Udo Riglewski / Michael Stich[2]
← 1989 · BMW Open · 1991 →

The 1990 BMW Open was an Association of Tennis Professionals men's tennis tournament held on outdoor clay courts in Munich, West Germany. The tournament was held from 30 April through 7 May 1990. Unseeded Karel Nováček won the singles title.

Finals

Singles

Karel Nováček defeated Thomas Muster 6–4, 6–2

• It was Novacek's only title of the year and the 3rd of his career.

Doubles

Udo Riglewski / Michael Stich defeated Petr Korda / Tomáš Šmíd 6–1, 6–4

• It was Riglewski's 3rd title of the year and the 8th of his career. It was Stich's 3rd title of the year and the 4th of his career.