How to Do an Audi LED Conversion

1. Open the Audi's hood.
2. Unscrew the two screws from above the Audi's headlights, using a T25 Torx screwdriver, turn them counterclockwise.
3. Loosen the two screws from the sides of the headlights, using a T25 Torx screwdriver attached to an extension piece.
4. Push on the clips from the rear of the headlights to detach the wiring.
5.
Remove the Audi's headlight bulbs.
Pull the headlight bulbs outwards with a piece of cloth placed over the headlight bulbs.
6. Push in the new LED headlight bulbs.
7. Reattach the wiring and the T25 screws that were removed and then close the hood of the vehicle.

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How to Know if a Window Regulator is Broken in a BMW

1. Get into your BMW and turn the ignition key so that the car's engine is fully on or so that the key is in the 'Accessory' position.
2. Using the window controls mounted on your door or mounted in the center of the car, attempt to open and close all of your car's windows. Listen for any strange noises that may predicate the window issues.
3. Your window regulator is broken if you have heard a mechanical crackling noise while trying to open and close the window.
4. Determine if the window is completely jammed or not following the emission of the noise in Step 3. Should the window be jammed following the mechanical noise, your window regulator is likely broken and will need replacement.

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How to Replace My BMW 525 Fuel Filter

1. Locate the fuel pump relay, which is located under the hood on the passenger side near the firewall. The fuel relay will be either light green or blue in color. Remove the fuel pump relay from the connection and store safely. Crank the vehicle and idle until it runs out of fuel.
2. Disconnect the negative battery cable from the battery using a metric wrench.
3. Locate the fuel filter, which is located on the passenger side of the car, behind the rear tire and in front of the gas tank. The filter will be attached to the bottom of the car with a bracket held by a bolt.
4. Remove the fuel filter bracket by loosening the bracket bolt with a ratchet, extension and 12mm socket.
5. Place a fuel line clamp two inches from the fuel filter toward the gas tank.
6. Position the catch pan under the fuel filter to prevent a fuel spill. Use the screwdriver to remove fuel line clamps on each end of the fuel filter.
7. Using the pliers, remove the fuel filter from the fuel lines.
8. Position the new fuel filter with the flow marking pointed toward the front of the car and away from the gas tank. Slide each fuel line onto the new fuel filter.
9. Replace each fuel filter hose clamp and tighten, using the screwdriver. Remove the fuel line clamp.
10. Secure the fuel filter with the fuel filter bracket. Tighten the bracket bolt with the ratchet and socket.
11. Insert the fuel pump relay into the connection and connect the negative battery cable to the battery.

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How to Do an Audi A4 Oil Change

Three Ways to Raise the Front End of an A4
1. Set the emergency brake. Jack up the front of the right or left side of the A4 with an emergency jack. Position the jack about six inches behind the front wheel well. There may be notches indicating where to place it. Slide a jack stand next to the emergency jack and lower the emergency jack to rest the car's side on the jack stand.Repeat this procedure for the other side so the right and left sides of the car are level with each other. Block off both sides of the rear tire diagonal to the front wheel you're raising. Use bricks, rocks or chocks.
2. Drive the A4's front wheels onto a couple of drive-on ramps, as a second car-raising alternative. Put rubber mats under the ramps in advance, to prevent skidding. If you'll be working on an incline, position the ramps downhill; otherwise, the car might not get up the ramps. Set the emergency brake after getting the car up the ramps.
3. Use two jackscrews as a third option. Position them the same place an emergency jack would go. Jackscrews combine the function of an emergency jack with the stability of jack stands--at a price that may not be worth it to you.
Changing the Oil
4. Idle the engine in neutral until the radiator fan goes on. This thins the oil so it drains more completely. Turn off the engine. Let the oil settle into the drain pan for five minutes.
5. Unscrew the engine oil-filler cap, but don't take it off yet. The point is just to let in air so the oil will drain. The engine oil refill cap is on the right of the engine, if you're facing the hood.
6. Slide yourself under the engine. Find the oil drain bolt. It should the lowest lone bolt on the engine. To tell it apart from the transmission fluid drain plug, metal around the former will still be hot from running the engine.
7. Loosen the drain plug counter-clockwise using a crescent wrench. If it refuses to budge, use a closed-end wrench to grip it better. Put a drain pan under the drain plug before unscrewing it manually. Work on the oil filter as the oil drains. The filter should be changed when the oil is changed.
8. Locate the oil filter. It is attached to the engine on the underside. Fit the oil filter wrench on the oil filter. Turn it counter-clockwise, preferably with a socket wrench fitting in the center hole. Once loosened, you can just screw it off by hand. But don't put your face under it, since it's full of used oil, which can be hot and carcinogenic.
9. Screw in the drain plug after the oil has drained for an hour. In case you use a torque wrench, tighten the bolt to 29 foot-pounds. Edmunds suggest that you replace the washer each oil change, since drain plug washers are compressible and therefore wear fast.
10. Pull the O-ring seal out of the oil filter cavity in the engine. Clean any O-ring residue left on the engine with a rag. Coat the new seal on both side with clean oil, hold it in place, and screw the new filter onto the engine. Keep screwing until you feel some resistance. Continue an additional 2/3 turns using the oil filter wrench. Don't overtighten, which can cause an oil leak.
11. Pour motor oil in the refill cap opening on the right side of the engine. Pour in the following amounts for the different A4 models:
4.6L for A4 1.8
5.0L for A4 2.0
6.2L for A4 3.2
6.9L for A4 2.7 and 3.0 (p. 323)
For the LongLife Service plan, Audi recommends VW 503 00 or VW 504 00 for its gasoline engines. For Inspection Service, Audi recommends VW 502 00, VW 503 00 or VW 504 00 oil for its gasoline engines. If your engine has a diesel particulate filter, use only VW 507 00. Check the dipstick to make sure you don't overfill. It's orange. It's located on the right side of the engine, a few inches in the front of the engine oil refill cap (if the grill is in the front direction). Screw the filler cap back on.
12. Start the engine again. Idle it in neutral until the radiator fan comes on. Inspect the drain plug and oil filter for leaks. Lower the car off any supports.
13. Reset the service interval display by pressing the 'Car' button, then 'Service interval display,' and then 'Reset oil change interval.'

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How to Replace a Wheel Hub Assembly on a BMW 5281

1. Use a jack to lift the vehicle. Use a torque wrench or tire iron to loosen the lug nuts. Remove the wheel.
2. Locate the caliper bolts and use the ratchet and socket to remove them. Carefully pull off the caliper using a screwdriver. Then locate the caliper bridge bolts and remove them with the ratchet and a socket. If they are especially tight, use the breaking bar to loosen them.
3. Slide out the rotor. Separate the ABS wires connected to the wheel hub assembly. Use the breaking bar or spindle nut socket to remove the spindle nut and the washer behind it.
4. Loosen the wheel bearing assembly bolts, which are located behind the knuckle. Replace the socket on the ratchet and pull out the bolts.
5. Place the slide hammer on the lug studs and fasten down with the lug nuts. Move the drive shaft and spindle out of the way and sand off any rust and corrosion around the knuckle.
6. Reattach the backing plate and slide the assembly onto the knuckle. Manipulate the drive shaft spindle onto the center of the hub bearing. Push the bearing on as far as you can and replace the wheel bearing assembly bolts. Tighten each bolt until it is secure.
7. Reattach the washer and spindle nut. Reconnect the brakes in the same manner you removed them. If necessary, apply some pressure to the caliper piston with a C-clamp to make it fit over the rotor. Reattach the ABS lines. Then replace the tire and lug nuts, making sure to tighten to lug nuts sufficiently..

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How to Connect a Code Reader on a 2001 BMW 325i

1. Stop the vehicle on a flat surface and shift the transmission into park or first gear (manual transmission). Turn off the engine and apply the parking brake. Turn the ignition back to the “On” position but do not re-start the engine.
2. Plug the code reader’s data cable into the 16-pin diagnostic data port. This port is situated approximately 6 inches above the pedal area, on the underside of the dashboard.
3. Turn on the code reader and choose “PCM” from its main menu. Select “Trouble Codes” from the PCM menu. Choose “Read All Current and Stored Trouble Codes” from the Trouble Codes menu.
4. Write down the trouble codes that are displayed on the code reader’s screen. If there are multiple codes, you may need to use the keys to scroll down further to make sure that you don’t miss any.

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How to Clean a 1995 Mercedes Benz S 500 Air Mass Meter MAF

1. Open the hood of your Mercedes, and remove the negative ('-') battery cable with the socket set.
2. Locate the airflow meter. It will be mounted between your Mercedes' air filter and intake manifold.
3. Remove the mounting bolts that hold the MAF housing in place with the socket set.
4. Remove the hose clamp that holds the hose in place on the back of the MAF housing, and then pull the hose off.
5. Remove the MAF sensor from its housing by unscrewing the retaining bolts and pulling it free from the main housing.
6. Spray the sensor off thoroughly with the canned air, and wipe the sensor down well with a clean rag.
7. Reverse the steps to put the mass air sensor back in place.

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How to Play a DVD in a 2004 Mercedes

1. Insert the DVD to play into the slot on the dashboard DVD player and navigation system. Wait for the DVD menu to appear on the screen.
2. Follow the prompts and choose whether you wish the DVD to be played on the right-hand rear passenger screen, the left-hand rear passenger screen or both. Touch the selection on the screen until the one you prefer is highlighted, then remove your finger from the screen.
3. Choose to allow the passengers' touch-screen controls so they can work the player from their screens. Touch that option on the dashboard touch-screen to highlight it.
4. Press 'Play' when the DVD menu appears.
5. Adjust the volume settings for minimum and maximum on the dashboard touch-screen panel. This sets a volume range so the passengers in back can adjust the volume without it becoming too loud for you.

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How to Replace Audi Cabriolet Rear Speakers

1. Insert the tip of a panel tool under the edge of the driver-side rear speaker grille. Lever outward, working around the perimeter of the speaker, until the grille comes loose.
2. Remove four Phillips screws from the edge of the speaker with a Phillips screwdriver. Pull the speaker out of the rear-side panel and unplug the wiring harness connected to the back. Plug the wiring harness into your new speaker and test operation. Place the new speaker into the door and secure with the Phillips screws. Replace the grille and push it firmly on.
3. Repeat the previous steps to replace the speaker on the passenger-side rear-side panel.

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How Do I Open a Bonnet on a 1993 BMW?

1. Open the car door on the driver's side.
2. Pull the hood release lever, which is positioned next to the pedals in the footwell on the driver's side. There will be some resistance before the lever disengages at which point the bonnet will rise slightly at the front.
3. Stand in front of the car. Reach under the bonnet with one hand and pull up until the bonnet is stopped by the clasp. With the other hand, reach under the bonnet in the center and release the clasp that holds the bonnet down. Raise the bonnet to access the engine compartment.

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