  We report a preliminary branching fraction of (1.80 +/- 0.37(stat.) +/-
0.23(syst.)) x 10^-4 for the charmless exclusive semileptonic B+ -> pi0 l+ nu
decay, where l can be either a muon or an electron. This result is based on
data corresponding to an integrated luminosity of 81 fb^-1 collected at the
Upsilon(4S) resonance with the BABAR detector. The analysis uses BBbar events
that are tagged by a B meson reconstructed in the semileptonic B- -> D0 l-
nubar (X) decays, where X can be either a gamma or a pi0 from a D* decay.
