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Originally Posted by tikamak
Quote:
Originally Posted by gmd2003
I would bet 1 million dollars it's a Bosch .Just bc the cap looks similar does not mean the pump is a Walbro . Not to mention people who run more than 550 hp have had to upgrade the pump due to inadequate fueling , Including ESS. The Walbro 400 would be plenty lol . BMW has never used anything besides a Bosch pump in any of their cars . Just bc one persons said it on a forum post DOES NOT make it true .
George
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I just looked in the bosch catalog for Z4M 2006, it doesn't specify a fuel pump.
I'm pretty sure it's a walbro 400, even the base of the pump is wider than the top like the actual walbro 400. |
All these pumps look very similar , you can't tell by the size and casing . At any rate for a VT -500 kit which you have and no hard track use a stock pump will be fine .