Alloy Wheels for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid

Manufacturing the dAHLer light alloy wheels in 20 inch, 21 inch and 22 inches for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars begins with high-grade aluminum alloy containing 97% aluminum.

Production of a dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars starts with a furnace that heats the ingots to 750 degrees Celsius (1,382 degrees Fahrenheit). The ingots liquefy in about 30 minutes. The molten aluminum then flows directly to a mixer. A machine injects argon gas which removes the hydrogen, the first step of the dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars.

This increases the density of the dAHLer light alloy wheel making the aluminum less porous when solidified. After adding powdered titanium magnesium and other metallic elements, materials are blended in flux a chemical which draws aluminum oxide to the surface to further strengthen the aluminum of the dÄHLer light alloy wheel.
They skim off this impurity along with the flux and the liquid aluminum is ready for casting the dAHLer light alloy wheels for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars in 20 inch, 21 inch or 22 inch.

The dAHLer wheel mold is made of high-strength steel and comes in a set of three molds.

• The upper mold which forms the inside face of the dAHLer light alloy wheel
• The four-part side mold which forms the dAHLer wheel’s edge
• The lower mold which forms the outer face of the dAHLer light alloy wheel

dAHLer light alloy wheel design for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars stands for innovation and individuality.

Very important is the lower mold which is the side with the dAHLer wheel design.
So, this is the most complex mold and producing such a complex mold takes about three to four weeks.

Before production start, many computer simulations check the flow and temperature of the liquid aluminum, we use for our dAHLer light alloy wheel design for BMW and BMW M cars. Factors for critical for preventing any casting defects.

The casting machine is designed to fill the dAHLer wheel mold from the bottom. This will be done by pressurized injection upward through the bottom preferably than pouring the liquid aluminum downward into the top. This method reduces the risk of air bubbles tremendously as air bubbles can cause defects in the wheel.

There is so much creative energy and high-tech precision that goes into every one of our dAHLer light alloy wheel design for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars.

Right before casting the molten metal flows through a filter made of high temperature resistant ceramic. This filters additional aluminum oxide. Once cast, the aluminum takes about ten minutes to solidify and the mold automatically opens, releasing the newly cast dÄHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars.

After releasing the newly cast dAHLer light alloy wheel in 20 inch, 21 inch or 22 inch, it will be submerged in lukewarm water for a few minutes. This cools the light alloy wheel down enough to be handled.

The dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars undergoes a complex heat treatment process that takes 12 hours from start to finish.

First, the dAHLer light alloy wheel for BMW and BMW M cars will be heated up to
500 degrees Celsius (932 degrees Fahrenheit). This rearranges the molecular structure, strengthening the metal.

Next, comes the quenching. The dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars will be submerged in 80-degree Celsius (176 degrees Fahrenheit) hot water for about 30 seconds. This will lock in that new strength. After that the dAHLer light alloy wheel will be reheated. This time to 180 degrees Celsius (356 degrees Fahrenheit) for nine hours to further stabilize the metal of the dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars.

The dAHLer light alloy wheel in 20 inch, 21 inch or 22 inch for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars doesn’t come out of the mold in perfect condition. The edges are rough due to some excess metal that has to be trimmed off. So, the dAHLer light alloy wheels will be mounted on a computer-guided lathe. It precisely machines the sides of the light alloy wheel refining them within point zero five millimeters of the measurements, specified in the technical drawings. As for the more intricate face of the dAHLer light alloy wheel for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars a worker manually trims the edges with a blade.

The shape now finalized it’s time to test the wheel to make sure it’s airtight. While pumping air into the dAHLer light alloy wheel it will be submerged it in water. Should any air bubble it would mean there’s a pinhole in the metal or some shrinkage in which case the dAHLer light alloy wheel in 20 inch, 21 inch or 21 inches for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars would fail inspection.

No air bubbles, the dAHLer light alloy wheel in 20 inch, 21 inch or 21 inches for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars proceeds to the automated painting line. First the base code which can be anything from anthracite, matte black, hyper black, matte bronze, classic silver or gunmetal gray to a flashier shade. An option is we offer is to burnish the surface of the dAHLer light alloy wheel in 20 inch, 21 inch or 21 inches for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars before a powder code comes to protect the paint and prevent corrosion.

Then comes a final cosmetic inspection to make sure all dAHLer light alloy wheel in 20 inch, 21 inch or 21 inches for BMW, BMW M, BMW Plug-in Hybrid and BMW Mild Hybrid cars look as good as they perform.