B58 HPFP TU UPGRADE PUMP - M140I M240I 340I 440I 540I

What is the difference on B58 between stage 2 and stage2 plus ?, the difference is this fuel pump. The pump is capable of creating 150 bar more pressure on newer gen b58. In terms of tuning this pump can be retrofitted to the earlier gen b58 and because of its superior ability to maintain pressure it can be used with more aggressive tuning as the fuel pressure will not drop. Stage2+, Hybrid Turbo's and Ethanol based mapping often takes advantage of this powerful HPFP. This is a genuine Bosch pump.