How to Reset a Mercedes Benz Computer Module

1. Plug the OBD II scan tool connector into the socket to the left and slightly below the steering wheel.2. Turn the ignition switch to 'ON.'3. Press the power button on the scan tool, if it does not come on automatically. Wait for the tool to complete the scanning process.4. Press the 'Reset' or 'Erase' button on the scan tool to reset the computer cod...
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How to Find the BMW Z4 Bluetooth Key

1. Open your Z4 owner's manual, typically located in your car's glove box.2. Locate the white laminated card in the manual.3. Read the card for the passkey. The passkey will begin with the letters 'P...
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How to Install BMW Engine Guards

1. Position the left engine guard in place to determine what existing bolts need to be removed. Once they are determined, remove them.2. Place engine guard back in location and replace the bolts.3. Mount any additional hardware that may came with your specific models crashbars. Once the guard is mounted, tighten all bolts securely. Repeat process on the right side. Once complete, you will have successfully mounted engine crashbars on your BMW and will no longer damage the engine during a minor fa...
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How to Add Power Steering Fluid to a 2003 Mercedes

1. Open the hood. Locate the power steering reservoir on the right side of the engine toward the bottom.2. Twist open the cap and remove it from the reservoir. The power steering dipstick will be attached to the cap. Wipe off the dipstick and insert back into the power steering reservoir.3. Pull the dipstick out and verify the level against the two sets of markings on the dipstick. One will indicate the level for a cold engine and the other for a hot engine. If the car has been run within the past 30 minutes, check the level for hot.4. If the level reads low, pour the power steering fluid...
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How to Unplug a BMW Stereo Amp

1. Lift the BMW's hood and loosen the bolt that holds the grounding cable to the negative battery terminal post with a 10 mm wrench. Lift the cable from the battery and set it aside.2. Open the trunk. Remove the three plastic fasteners that hold the carpet panel of the trunk on the driver's side to the side of the cargo area with a flat-head screwdriver. Remove the metal tie-down located on the bottom of the panel with a Torx T-40 socket and drive.3. Remove the plastic caps from the top side of the plastic panel at the back edge of the trunk with a flat-head screwdriver or trim panel removal...
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How Do I Remove a Headlight Lens on a Mercedes 300E?

1. Open the hood, and secure it. Look behind the headlight you are working on and find the plastic release clip behind the turn signal. Slide this clip forward, remove the turn signal and put it aside.2. Remove the filler panel located just below the headlight assembly by removing the two screws that hold it in place using a screwdriver. Put these screws aside.3. Find the black plastic filler panel connected to the headlight assembly, and remove the bolts that hold it into place. There will be two bolts on the top part and one or two on the bottom (most likely 8-mm bolts) depending on the...
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How to Change a BMW Driveshaft Bearing

1. Raise your BMW with the floor jack and place it on jack stands. You can either raise one side of it or raise it at all four corners. Either way, make sure it is raised high enough to allow you to comfortably reach the driveshaft. Also, make sure that the car is safely supported since you will be working underneath. You can slide a couple of wheels and tires under as well for added safety.2. Spray penetrating oil on all the bolts that are going to be removed and let the oil soak in (the longer the better). Disconnect any sensors that go from the gearbox to the driveshaft. Not all models...
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How to Reset a BMW E46

1. Attach the tool to the data link connector, located under the BMW's dashboard.2. Switch on the BMW's ignition.3. Watch for the screen on the tool to illuminate and select 'BMW' using the scroll buttons on the tool and then push the reset tool's 'OK' button.4. Select the 'E46' model with the scroll buttons and push the 'OK' button.5. Select 'Reset of Service Warning Light' with the scroll buttons and push the 'OK' button.6. Anticipate for screen to read 'Reset Ok!'7. Switch off the BMW E46's ignition and remove the tool from the vehic...
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How to Remove the Door Trim on a 1990 300E Mercedes Benz

1. Warm up the heat gun by turning it on and letting it stand for a few minutes.2. Run it back and forth over the trim but not touching it. Just enough to soften up the adhesive backing.3. Set a cloth under the beginning part of the trim and slide the trim removal tool along the cloth and up under the trim to pry it up.4. Work the removal tool and the cloth along the entire length of each piece of trim to pry it off the vehicle. Do this carefully if you wish to reuse the trim because it can crack or chip easily.5. Pull the trim gently away from the vehicle door and set it asi...
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How to Refill the Transmission in a BMW 318

1. Drive the BMW 318 for at least 20 minutes. The most accurate measurement of transmission fluid level can be achieved only when the fluid is warm.2. Park on a level surface.3. Apply the hand brake (emergency brake).4. Apply the foot brake and move the gear selector through each gear. The engine should be running for this run through the gears.5. Check the transmission fluid level on the dipstick located under the hood, near the left fender. First wipe the fluid from the indicator, replace the dipstick then pull it out again to read the level. There are two lines indicating 'low'...
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