Cupertino Auto Repair

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Topic: Misc.

Diesel Throttle Valve
Tuesday, April 24th, 2018

These parts are from the M57TD30 diesel engine in: 2009-13 E70 X5 XDrive 35d, 2004-10 E60 530d, 535d and 2005-13 E90 325d, 330d, 335d.
A Throttle Valve
A throttle valve is necessary for all diesel engines equipped with a particulate filter system. The throttle valve chokes the intake air to increase EGR air flow to ensure that the exhaust gas temperature is increased for the required regeneration of the particulate filter and smooth engine shut off.
This photo shows the seal failure on the throttle valve allowing oil vapors to enter and accumulate in the throttle valve housing and, over time, short the motor activation input circuit to ground. This turns on the Service Engine Soon light, and the system goes into failsafe …

Posted by FF and JP at 5:00 am Read Comments (0) Print this Page Email this Page

How many computers are in a car today?
Wednesday, April 11th, 2018

The number will vary with each car based on the electronic systems included in the car.
The average car has about 30 and some luxury cars may have as many as 100 of these microprocessor-controlled devices, known as electronic control units.
 
These units can have up to a 100 million lines of code, more than in some Jet fighters.
The one pictured today is similar to the one used in 2007-10 Mercedes Benz E-Series cars and is unique in the fact that the circuit board is folded 4 times to allow containment of all necessary circuitry and minimize required space. Your key and the ignition are very different than the ones used in years past.
Additionally it includes the Inductive charging ring to maintain …

Posted by jimp at 4:22 pm Read Comments (0) Print this Page Email this Page

Do you own a German collectible car, such as a BMW 850 or CSL?
Wednesday, January 29th, 2014

Hagerty Collectible Car Index

Hagerty Collectible Car Indexes
Recent data shows that the value of German collectible cars has increased substantially over the last year. According to the Hagerty Price Guide Index of German Cars, the value of these models has increased by 32 percent in only 4 months.

Posted by gabriels at 5:23 pm Read Comments (0) Print this Page Email this Page

Mercedes-Benz S-Class Claims Car Awards Worldwide
Monday, December 30th, 2013

Mercedes-Benz S-Class video on designing the car.

Click image to watch Video on designing the S-Class
Within weeks of its release, the new S-Class has been critically acclaimed around the globe. Along with topping a study on value retention, it was also chosen as the “Car of The Year” in China—Mercedes’ most important market.
Since October, the S-Class has been available in all core markets and is already leading the luxury segment in terms of the number of new vehicles registered worldwide.

Posted by gabriels at 8:00 am Read Comments (0) Print this Page Email this Page