Tag Archives: bmw

    • How To Clean BMW N54 Intake Ports and Valves with Walnut Shells

      Cleaning of intake valves with walnut shell blasting tool - review
      By: Mike Ngo and Eurowise

      Modern engines are often direct injection, as this process allows for advantages in fuel consumption as compared to conventional fuel injection, as well as yielding more power with an engine of identical displacement. The N54 engine of the BMW 335i and 135i also are direct injection; this means in particular that the fuel is injected directly into the combustion chamber of each cylinder and not in the intake tract. As a consequence thereof, the fuel injectors are no more placed before the intake valve, but directly in the cylinder itself.

      The disadvantage of this is that the regular bathing and therefor cleaning of the intake valves by way of the fuel that they are exposed to does not happen anymore. The intake valves are only in contact with air or rather blow by gases from the crankcase breathing circuit, in which substantial quantities of fuel and oil can be found. Over time, these lead to deposits of carbonized fuel and oil in the intake tract as well as on the intake valves themselves; this is also referred to as carbonizing. This is not immediately bad for the engine, but over time can have a detrimental effect on its efficiency. If the valves are heavily carbonized, they may not close properly anymore, and symptoms such as a bumpy idle, vibrations and diminished throttle response can be observed; it may also contribute to increased oil consumption.

      As unfortunately this carbonizing effect is an inevitable byproduct of direct injection, it cannot be prevented. The use of additives in the fuel itself is useless, as (see above) the fuel does not come into contact with the intake tract or the valves at all; the use of water/methanol injection may slow down the carbonizing somewhat (depending on where the methanol is injected and provided it is not yet completely vaporized when it reaches the valves), but cannot prevent it either. A cleaning of the intake valves by using Sea foam or similar products which are injected directly into the charge pipe has been discussed extensively, but in my opinion this method is not very efficient as the carbonizing is usually too persistent to be removed by this method.

      In principle there are a few methods to clean the intake valves and intake tracts of the BMW N54 engine (and any other direct injection engine). A very elaborate and consequently expensive method is to completely take off the cylinder head and to have the valves lie in a very aggressive cleaning solution for at least 48 hours, after which they have to be cleaned manually as well in order to remove any remaining carbonizing.

      The method I chose in the end and that I'm going to describe here is the cleaning of the intake tract and valve of each cylinder with the Eastwood Small Job Media Blasting Kit. We chose to have them mix up a small batch of walnut shell granules to blast the intake tract with. These granules hit the carbon at high speed and remove it entirely, while at the same time this material is soft enough not to damage the metal of the intake tract and the valves.

      Here are the basic steps to cleaning your intake ports and valves:

      1. Remove intake manifold
      2. Put engine valves on the cylinders being worked on at TDC so the valves are closed
      3. Tape off all the cylinders not being cleaned.
      4. Using a pick, break loose all the cylinders that have large chunks of carbon first and blow them out
      5. Prepare the Eastwood Small Job Blasting Kit and cover the engine bay of all walnuts that may go into items you don’t want them to go acess
      6. Start blasting
      7. After each cylinder blow or vacuum out the material left inside and repeat if necessary

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    • Driverless Car Goes 300,000 Miles Without An Accident

      (Photo courtesy RideStory.com)

      Google has been testing the technology of self-driving cars for a few years, actually going out on the roads of Nevada at speeds up to 70 MPH, and with no human intervention. And astonishingly, the fleet has zero accidents in the 300,000 miles the cars have driven. (Normally, correct grammar would require me to write "...the cars have been driven", but in this case, it's the cars themselves doing the driving!)

      You could sit in the passenger seat and relax...these cars feature sensors that can track pedestrians, understand traffic lights, and even merge at highway speeds.

      California governor Jerry Brown has signed state legislation that will pave the way for driverless cars, signing the bill after he travelled to Google headquarters in a self-driving Toyota Prius to show his full support for the new technology. The law will establish safety and performance regulations to test and operate driverless vehicles on California’s roads.

      “Today we’re looking at science fiction becoming tomorrow’s reality—the self-driving car,” Mr. Brown told journalists gathered to witness the historic moment for smart cars. “Anyone who gets inside a car and finds out the car is driving will be a little skittish, but they’ll get over it.”

      It's questionable whether people will get used to the idea of autonomous cars soon, but Google believes that it will take less than 10 years until the first self-driving vehicles will be available on the market. Car manufacturers such as Audi, Mercedes-Benz, BMW and Ford have been working on autonomous car technology for years.

      Read the entire article at RideStory.com.

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    • There's More to Hershey, Pennsylvania Than Chocolate Kisses

      Yes, this is a BMW...the 1957 BMW Isetta on display at Hershey. (Photo courtesy Jil McIntosh)
      Gas pumps from the 1920s, for sale at the Hershey AACA event. (Photo courtesy Jil McIntosh)

      But as a car enthusiast, you already knew that.

      The Antique Automobile Club of America's Eastern Division has their Fall Meet each October, and the town of Hershey has hosted the event each year since 1955. It's considered one of the largest antique automobile shows and flea markets in the United States, with about 1,500 cars on display.

      But there's more than just beautiful antique cars on display. There are quite a few uniquely unusual automobiles on display, and the associated flea market has antique and not-so-antique items for sale that would be appropriate decor for your garage or shop.

      Where else could you get a 1926 Rickenbacker hood ornament, a 1927 Clear Vision gas pump, or an Omaha taxi meter?

      In case you didn't make it to Hershey for this year's show, Jil McIntosh, writer for the Sympatico.ca Autos blog, was there, camera in hand. I think you'll enjoy the nostalgic trip through the flea market and show. The slide show starts when you click here.

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    • More than just athletes on display at the London Olympics

      BMW art car jeff koons

      Courtesy

      Walking around London during the Olympics, you'd expect to see all sorts of interesting people from every corner of the world (well, maybe not Antarctica; I don't think they have a track team this year).

      As an Eastwood customer, though, you're more into noticing all the different vehicles you might see during this international gathering. So you'd sprint right past the Men's 110m Hurdles venue and make a beeline to Shoreditch to enjoy the BMW collection of its 18 "Art Cars"—racing cars painted by famous artists.

      No, they didn't use Eastwood Concours spray guns (as far as I know!), nor did they use our Candeez paints, but it's still cool to see what a well-known artist can do with a racing car as a canvas! You may have heard of a few of these guys: Andy Warhol, Roy Lichtenstein, Alexander Caldor and more. (My favorite paint job is on the 2010 BMW M3 GT2, by Jeff Koons; see it above, and read about it here.)

      But if you just can't make it to London this year, you can see a photo gallery of the cars here.

      I guess you can watch the Men's 110m Hurdles on tape delay when you're done.

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