Quote Originally Posted by satumashirt611
I bought a e39 few weeks ago that had same symptoms.the guy couldn't start it.he tried everything.i bought it for a parts car but when I bought it the battery was very low so I removed and fitted mine the next day.thr car started first turn and runs perfect .been told bad batterys can cause issues too.
I put a new varta battery in it about 3 months ago. Cranked it all day sunday no problem. It was driving at really low power rather than just totally going that why I originally thought fuel pump but it isn't that.