[Diy_efi] New BMW 760, fuel pressure, direct inject

[Bernd Felsche]

On Tue, Jan 07, 2003 at 02:14:10PM +0000, Mike wrote:
> Just curious if anyone knows the fuel pressure/injector rail
> pressure the new BMW 760 operates at - as its direct injection
> it cant do the batch fire thing and would need quite a higher
> pressure to squirt the same amount of fuel at the correct
> time or would it have so much higher a flowrate, then theres
> the compromise of head geometry to fit the injector,

I assume they're using Bosch's MED system.

Fuel pressures of around 12 MPa have been used in similar
applications.  (VW-Audi FSI)

> I've heard rumours some big truck/movers diesels run as high
> as 20,000psi direct inject pressures <phew>

-- 
/"\ Bernd Felsche - Innovative Reckoning, Perth, Western Australia
\ /  ASCII ribbon campaign | I'm a .signature virus!
 X   against HTML mail     | Copy me into your ~/.signature
/ \  and postings          | to help me spread!

_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi