Thread: E92 M3 alpha N?
View Single Post
Old 06-19-2007, 07:35 PM
GregW in Oregon GregW in Oregon is offline
Officially Welcomed to the 'Fest
Location: Lake Oswego, OR
Join Date: Jan 2002
Posts: 454
Mein Auto: '15 M4 Coupe; '12 ML350
Originally Posted by tim330i View Post
From what I understand they did away with the MAF, which is cool.

"From front to rear, the entire flow of intake air in the new eight-cylinder power unit does not require the usual hot-film air mass flow meter with its obligatory sensors. Instead of determining engine load by means of such elaborate sensors, therefore, which would also create disadvantages in air guidance due to the geometry of the components involved, the V8 power unit of the new BMW M3 uses the engine control unit to perform this function. To do this, the system determines engine load under current driving conditions by taking the position of the throttle butterfly and idle adjuster, the position of the VANOS control unit, engine speed, air temperature and air pressure into account. This, in turn, gives the engineers at BMW M GmbH new freedom in the configuration and optimisation of the engine air intake process. And at the same time this management concept operates with maximum reliability." -- BMW press release 3/22/07
Greg Lake Oswego, Oregon

2015 M4 Coupe - Silverstone/Sakhir/CF
2012 M-B ML350 - Arctic/Black/Satin Ash
Reply With Quote