Biggest Part of Me by Ambrosia first appeared on the Israeli foreign-music chart on 2 Jun 1980, entering at #33. It peaked at #25 on 16 Jun 1980. In total it spent 4 weeks on the chart, last charting on 23 Jun 1980.
| Wk | Date | Pos |
|---|---|---|
| 1 | 2 Jun 1980 | 33 |
| 2 | 9 Jun 1980 | 28 |
| 3 | 16 Jun 1980 | 25 |
| 4 | 23 Jun 1980 | 37 |