Special Cars

1. Open the hood and remove the cover from the Z3s fuse block. 2. Remove the fuse from slot 14 and install a replacement 30A fuse. Reattach the cover to the fuse block. If the power seats are still malfunctioning, you may need to replace the motor. 3. Slide the Z3s seat all the way to the back and use a socket wrench to remove the retaining nut from the front of the seat. Slide the seat all the way to the front and remove the two bolts at the rear of the seat. 4. Unplug the two electrical connectors of the Z3s seat and remove the seat from the vehicle. 5. Use a flat-head screwdriver to remove the four clips from below the seat, retaining the cushion with the metal part of the seat. Remove the two Torx screws with a Torx screwdriver and remove the cushion from the seat. Once the cushion has been removed, you can locate the seat motor at the bottom, right corner of the seat. 6. Remove the four Torx screws from the seat motor and disconnect its electrical connector. Remove the...

1. Attach the tool to the data link connector, located under the BMWs dashboard. 2. Switch on the BMWs 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 tools 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 E46s ignition and remove the tool from the vehicle.

Determining Your Turbo Type 1. Research the type of vehicle you own and the turbocharger it is equipped with. Turbochargers and boost management systems vary by model. Determine the maximum safe amount of boost for your engine, per the manufacturers recommendation. 2. Establish a way to monitor the boost produced by your turbocharger. Purchase and install a boost gauge to monitor the performance of your turbocharger and ensure that you do not produce more boost than recommended by your vehicle manufacturer. Boost is measured in pounds per square inch (PSI) and gauges which read up to 60 PSI are available from various automotive performance companies. 3. Stock tachometers will indicate unsafe operating ranges with red markings. Locate the RPM gauge, also called a tachometer, on your dashboard. As a stock feature on vehicles, this gauge is normally located on the dash panel near the speedometer. 4. Press down on the accelerator and monitor the tachometer. As the revolutions per ...

1. Drive the 325is to your garage or a parking lot. Turn the fan on and feel for any air coming out the vents. If there is no air, then the blower motor needs to be replaced. Put the 325is into Park, then engage the parking brake so there is no danger of gear slippage during the repair. Make sure you have room to maneuver around the front of the BMW for the removal process. Turn the BMW off and open the hood and trunk. 2. Go into the trunk of the BMW and disconnect the negative battery cable from the cars battery. The battery is located in the trunk of the 325is for better weight allocation. Go around to the front of the 325is and prop the hood up with the hood prop stick. The blower motor assembly will be mounted with six screws against the rear firewall. Remove the screws with a Phillips-head screwdriver and pull the blow motor assembly off the firewall. 3. Press the pressure clips on either side of the motor and pull the motor from the blower assembly. If the blower motor has...

1. Turn the headlight dial on the dash to 0. This ensures that the power to the headlight assembly is turned off. Shut down the X5s engine; pull the hood release lever and open the hood. 2. Look at the back panel of the headlight assembly to find the turn signal. The turn signal is the outermost bub in the assembly. Its right on the edge of the interior fender liner on either side of the X5. Youll see a plastic cap. 3. Rotate the plastic cap to the left to remove it. Now youll see the turn signal bulb. 4. Turn the bulb holder to the left to disconnect it. The bulb is now free from the assembly. Pull the connection to unplug the wiring from the bulb holder. 5. Attach the replacement bulbs holder to the wiring. It simply plugs in. Place the new bulb into the assembly and turn it to the right. Attach the plastic cap and rotate it to the right to recover the bulb holder.

Replacing Front Springs 1. Raise the front of the vehicle and secure it so that both front wheels are off the ground. Remove the wheels. 2. Remove the ABS (antilock brake) wire grommet and cable from the strut and remove the lower pinch bolt that connects the strut to the steering knuckle. 3. Compress the spring with the spring compressor to relieve pressure from the suspension. Separate the strut from the steering knuckle (which might take some effort), lowering the lower control arm as needed. Remove the axle from the steering knuckle and lay it on the lower suspension. 4. Remove the windshield wipers and cover (later model Audi TTs) to access the upper strut bolt. Remove the single strut bolt while an assistant supports it from the bottom. Allowing the strut to simply fall without support may cause the spring clamp to jar loose, sending the highly pressurized spring flying across your garage. 5. Slowly remove the spring clamp from the strut assembly and lift the spring fre...

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 fall.

1. Use cruise control to set your cars speed, with a maximum of approximately 65 miles per hour. Gas mileage typically decreases the faster you drive. 2. Reduce any excess weight that you might have in your car. According to the U.S. Department of Energy, the miles per gallon fuel consumption of your car decreases by 2 percent for every extra 100 pounds in the vehicle. 3. Keep your engine properly tuned. Change your spark plugs and fuel filter every 30,000 miles, in addition to changing your X5s oil at 3,000- to 5,000-mile intervals. A dirty fuel filter and bad spark plugs can cause the engine to misfire and burn more fuel than necessary. Additionally, regularly clean your air filter to ensure that the engines recommended air-to-fuel ratio is retained. 4. Make sure your tires are properly inflated, according to the inflation specifications printed on the rear door sills of your X5. The inflation specs can vary depending on the laden weight of your vehicle.

1. Remove the nut from the negative battery terminal using a wrench or socket set. Slide the cable off of the terminal and set it aside. 2. Press the horn for several seconds. This depletes any surplus energy stored in the electrical system. 3. Wait 10 minutes before reinstalling the battery cable.

1. Inspect the windshield frame. If it has dents, cuts or corrosion, get it repaired. The new windshield will not bond to a bent frame. 2. Lay down vinyl drop cloths over the hood and dashboard. Windshields are made from safety glass, and if it is hit, it can shatter in many small pieces. 3. Remove the wiper blades and arms with a screwdriver. 4. Remove the rubber trim. Insert the screwdriver under the trim. Lift and pull the trim completely off the car. 5. Break the caulk by cutting around the windshield with a razor blade. 6. Remove the windshield. Insert the pry bar under the windshield. Gently pry the glass up. Go around the entire windshield slowly. An assistant can help you lift the glass out of the car. 7. Sand the mounting surface and new windshield. Sand the entire area of the mounting surface. Apply your bonding agent to the windshield frame. Rub your sandpaper along the inside edge of the new windshield. Apply the bonding agent to the sanded surface of the new ...

1. Pull the release handle under the dashboard on the drivers side of the Audi. Move to the front of the car and lift the hood. Turn the bolt on the negative battery cables clamp two full rotations with the 10mm wrench. Lift the cable from the battery and move it to the side. Return to the A4s cabin. 2. Insert the four stereo removal keys into the slots near the corners of the stereo deck. The keys are available through Audi or Volkswagen dealers, as well as through aftermarket car audio outlets. 3. Place two fingers from each hand inside the rings at the ends of the keys. Pull out on the tools to engage the release mechanisms on the sides of the stock radio while pulling the unit from the dashboard. 4. Pull the stereo wiring connectors by the plastic wire binders until they disconnect from the outlets on the back of the Audis head unit. Remove the antenna cable lead from the outlet on the factory radios rear panel. 5. Slide the installation cage into the A4s stereo mounting ...

Removing the Existing Tank 1. Let the engine and radiator cool down completely. Open the hood and support it in a raised position. 2. Pull the electrical wiring harness from the back side of the air filter housing on top of the engine. Unsnap the two connectors on the intake hose on the back side of the air box. Remove the two retaining bolts on the driver’s side of the housing with a socket and ratchet. Lift the housing up and remove it from the engine bay. 3. Remove the retaining screws on the engine cover on the underside of the car with a Phillips screwdriver. Rotate the cover downwards so that you can access the underside of the radiator and expansion tank. 4. Remove the pressurized cap from the expansion tank slowly and place it aside. Place a clean drain pan under the driver’s side of the radiator. Remove the drain plug on the bottom of the radiator with a wrench. Replace and tighten the plug after all the coolant has drained from the radiator. 5. Unplug the...

1. Close all of the doors, the trunk and the hood. 2. Place the key in the ignition and turn it to position one, Accessory. Turn it back to Off. Do this four more times and remove the key from the ignition when you are done. 3. Press and hold the unlock button and then press and release the lock button three times. Release the unlock button. If the locks cycle, then you have done this correctly. Repeat this step for each key you wish to program. 4. Inset the key in the ignition and turn it to Accessory to exit programming mode.

1. Raise the front of your ML320 with a jack then position a set of jack stands under the frame to support the car. Lower the jack until the car is resting securely on the jack stands. Remove the jack from under the car. 2. Position yourself under the car just behind the front wheels. Locate the catalytic converters in the exhaust system then select the sensor you need to change. There are two in front of the converters and two behind them. 3. Follow the wiring harness coming out of the top of the O2 sensor to the connector where the sensor wires and the cars wiring harness join. Release the locking tab and separate the connectors. 4. Place an O2 sensor socket over the sensor then turn it counterclockwise with a ratchet, removing the sensor from the exhaust pipe. Discard the old sensor and install a new sensor in the threaded hole on the exhaust, tightening it with the O2 sensor socket and ratchet. 5. Plug the wiring harness connector from the O2 sensor into the connector on ...

1. Put the key into the ignition and turn the vehicle to the on position but dont start the engine. 2. Find the diagnostic port under the drivers side dashboard near the pedals. Plug the computerized scan tool into this port. The battery from the vehicle will automatically power on the tool. 3. Find arrows on the faceplate of the scan tool and use them to scroll through the menu until you find the Read All Codes command. Select this command. 4. Scroll through the menu again and find Clear All Codes. Select this option then wait for the service engine light to shut off. 5. Turn off the vehicle and wait five minutes. Start the engine and verify that the check engine light is still off.

1. Engage the parking brake, and turn the ignition off. 2. Open the hood, and locate the electrical connector, found at the rear of the headlamp assembly. Press the tab to detach the connector. 3. Remove the dust cover from the rear of the headlamp assembly, by pulling it off. Grab the base of the headlamp socket, and turn it, counterclockwise, to remove it from the assembly. 4. Pull the old bulb from the socket to remove it. Insert the new bulb into the socket, and insert the socket into the rear of the assembly. Turn the socket clockwise, securing it. 5. Replace the dust cover, and reattach the electrical connector to the rear of the headlamp assembly. Close the hood, and test the new headlamp.

1. Park the Audi A4 on level ground. 2. Press onto the left side of the switch to raise or lower the front portion of the seat. 3. Press onto the right side of the switch to raise or lower the rear portion of the seat. 4. Press on both the left and right sides of the switch to raise or lower the entire seat bottom. 5. Press at the center of the switch to move the seat forward or backward.

BMW X5, X6 1. Locate the glove compartment button. This button is not labeled, but you can find it on the dashboard center stack, parallel to the bottom of the glove compartment, just above the stereo. 2. Press the button to open the glove compartment. The two covers will fold out of the way to reveal the compartment, the inside of which will now be illuminated. 3. Close the compartment by pressing one of the covers closed. Other BMW Models 4. Locate the handle and lock cylinder at the center of the glove compartment. 5. Release the integrated key from your remote by pressing the top button and pulling the key out with your fingers. On some models, such as the X3, the remote functions are part of the key itself. In this case, just make sure you have the "master key" with the remote functions, rather than the plain spare key. 6. Insert the key into the lock and turn it to unlock the glove compartment. Close and lock the glove box as you normally would.

1. Turn the ignition on without actually starting the car. 2. Press the odometer reset button and hold it in for about 5-10 seconds until the Service icon appears. 3. Release the odometer button and press it again. This will display images of the various service icons. For example, an oil can indicates that oil service is required. 4. Reset the service indicators by releasing and pressing the odometer button until the service icon that you want to reset appears. As soon as it appears, hold in the odometer button until the prompt RESET? displays. When the prompt appears, release the button briefly and then hold it in again for another 5-10 seconds until another icon appears. Continue resetting the other service indicators in this manner.

1. Add the oil-based dye, supplied in the kit, to the power steering reservoir. The reservoir for the Audi A4 is located on the drivers side inner fender well, just in front of the windshield reservoir. Test-drive the vehicle for 10 minutes to circulate the dye and load the power steering system. This will force small leaks to show up. 2. Use the black light, supplied in the kit, to search under the hood for leaks. Start at the power steering reservoir, following both the small return hose and the larger supply hose to the power steering pump and the rack and pinion steering gear. Note any leaks found. 3. Raise and support the vehicle using the floor jack and jack stands. Then, from underneath, inspect the power steering rack and the power steering hoses. Note any leaks found.