Free Review Cars

1. Open your hood and remove the air filter. Hold it up to the light. You should be able to see through the filter. If you cannot, this means its dirty and needs to be replaced. The purpose of the air filter is to filter out any debris that enters the air system. This prevents damage to your engine. Dirty air filters can cause clogs in your hoses and your Audi will run poorly with inadequate air flow.
2. Check your brakes during tire rotations and changes. Brakes should be replaced when they are about 75 to 80 percent worn. Any more, and they can cause damage and scoring into your rotors, which will require rotor replacement as well. How often you need to replace your brakes depends on how much driving you do. More driving and frequent stopping wears the pads out faster.
3. Change the oil in your Audi TT every 3,000 miles or at least every three months to keep the oil fresh. The oil lubricates the moving parts of your engine and keeps it clean. The oil filter will need to be changed with each oil change. This filters out dirt and debris that can cause engine damage and sludge. Check the oil level in your Audi every month to ensure there are no oil leaks and that your oil is at the correct level.
4. Check the air pressure in your tires often. Especially between seasons when the temperatures fluctuate. This can cause a decrease in pressure, which causes pull on the tires. This can wear out the tread on your tires faster. Make sure tires are always fully inflated. Replace the tires once the tread is fairly worn.
5. Get a tune up every couple years. This involves replacing all the spark plugs, hoses, and belts even if they do not look worn. Also, have the coolant flushed and replaced with new fluid. This will head of any possible mechanical problems before they have a chance to start. This prevents any air leakage that you may not know about with old hoses or squeaky belts. It helps keep the engine running smooth.
6. Clean your Audis interior by vacuuming the seats and floors regularly. This will pick up any dirt or debris you may carry in on your shoes. It will keep it from getting ground into the fabric and causing stains. Wash the outside of your car often and apply a coat of wax a couple times a year. This will prevent fading of the paint.

1. Attach one side of the manual boost controller to the vacuum hose coming off the wastegate actuator (located on the back of the turbocharger unit).
2. Connect the other side to the boost source outlet nipple.
3. Secure the controller with a heavy duty twist tie (included in the kit) away from the exhaust manifold.
4. Do a third gear pull by flooring the throttle when rpm is at approximately 2000 until redline on a closed stretch of road or track. This will set a baseline and determine the vehicles exact factory boost setting.
5. Adjust the turbo boost setting on the MBC by slowly turning the knob in the desired direction. (typically clockwise will increase boost pressure and counter-clockwise will retard boost)
6. Complete several full-throttle passes to attain a specific boost setting.

BMW Flash Cards
1.
Visit your local car dealership for vehicle information.
Gather information about BMWs from a local BMW dealership, magazine advertisements or BMW.com.
2.
Cut photos from colorful brochures for fun-looking flash cards.
Cut out photos of BMW models, accessories and colors you want to learn about or would like to be able to identify. Cut out the text that matches the photos and keep it with the correct photos.
3. Attach each photo to one side of an index card with glue. On the other side of the same index card, attach the text that matches the photos.
4.
Memorize the information with flash cards.
Gather all the index cards into a pile. Look at the picture on the first card and read the corresponding text on the back of the card. Try to commit the information to memory.
5. Move through the whole pile of cards, memorizing BMW facts.
6. Quiz yourself by looking at the picture side of the card and reciting the facts. Check your answer by looking at the other side of the card.
BMW Memory Game
7.
Match two photos of BMW headlights.
Cut out at least 20 different photos of BMWs and accessories from brochures at a local BMW dealership or print out pictures from BMW.com. Be sure to cut out two identical copies of each photo for a total of 40 photos.
8.
Glue photos to cards or print directly onto the cards.
Glue each photo to individual index cards and gather the cards into a pile once dry.
9.
Play memory with your friends.
Lay the cards face down in front of you and a friend in four rows of five cards.
10. Take turns flipping over pairs of cards and making matches. If you make a match, keep the match and take another turn. If you do not make a match, turn the cards back over to the face down position.
11. Win the game by finishing with the most pairs once all cards have been collected.

1. Lower the suspension to improve the A4s handling and appearance. Like most cars, in original form the A4 has a relatively high ride height. Lowering the suspension with stiffer, lower springs from a company such as Eibach and with performance shocks will greatly improve the A4s handling and make it feel much lighter and more nimble. You can also install coilovers, which combine the shock and spring in one adjustable unit, though this is the more expensive option.
2. Upgrade the wheels and tires. With the exception of the higher-end S models in the Audi lineup, most Audi models come with relatively plain looking wheels. With its restrained lines and simple styling, the A4 benefits greatly from a larger, more aggressive wheel design. You can either install OEM-style (original equipment manufacturer) wheels from one of the S models or you can aftermarket. A company such as the Tire Rack has a huge selection of wheels that will fit the A4, including the ever-popular BBS. Mount wider, lower-profile tires on those new wheels for a big improvement in handling.
3. Tune the engine for more power. Whether you have a V6 or a 1.8T turbocharged A4, more power can be had from the engine. The 1.8T can produce considerably more power than it does in stock form. Start with an exhaust system and intake, which will make your Audi sound better and make more power. From there, install a modified ECU (engine control unit), which will retune how much air, fuel and spark the motor gets. Turbocharged A4s in particular will benefit from the latter modification. After that, you can install larger turbos, intercoolers, larger fuel injectors and other upgrades to get big power from the motor.
4. Improve the stopping power. With more power and handling comes the need for increases deceleration. Start here by installing more performance-oriented pads and cross-drilled rotors. A set of braided steel brake lines will provide a firmer pedal feel. If you want to get more extreme, install a big brake kit from a company such as Brembo. While not cheap, doing so will improve stopping distances by replacing the stock components with larger calipers and larger diameter rotors.
5. Upgrade the interior. Start with a set of alloy pedals for more grip and a heavier alloy shift knob. If you want seats that will hold you in place better during fast cornering, replace the stock seats with a pair of race buckets from Recaro. Not only do these look great, but they will also reduce the weight of your car.
6. Modify the exterior. Even though it doesnt take much to improve the A4s aesthetics, a more aggressive front air dam and smoked turn signals and taillights go a long way to enhance the exterior.

1. Park the car on a flat and level surface. Ensure the back wheels are chocked. Loosen the lug nuts on the two front wheels. Do not remove the lugs until the car is lifted.
2. Place a jack under the front cross member of the car and raise it high enough to place jack stands under the cross member. Lower the car onto the jack stands.
3. Unscrew the lug nuts on the driver side of the car. Pull the wheel off the axle. Place it to the side.
4. Unbolt the caliper by unscrewing the bolts in the back with a socket wrench. Pull the caliper off and place it in the shock tower. Do not let the caliper hang by the brake line as this will damage the brake line.
5. Pry the dust cover in the middle of the assembly with a flat-tip screwdriver. This will expose the spindle nut.
6. Pull the cotter pin out of the spindle nut with a pair of pliers. Unscrew the nut with the pliers. Place the nut and the cotter pin in the dust cover for safe keeping.
7. Pull the outer bearing out by hand. The race should come out with the bearing.
8. Pull the rotor off the spindle. The rotor may not come out smoothly. Tap the rotor with a hammer to free any rust or sediment holding the rotor in place.
9. Tap the inner bearing with a hammer to loosen the bearing. Slide the bearing off by hand.
10. Repeat steps to remove the bearings on the passenger side.

1. Purchase a free-flow air filter for your BMW model from a local or online aftermarket retailer. Locate the air filter case under the hood. The air filter case is usually a black plastic box that sits closer the windshield of the car.
2. Unclamp the lid and open it. Lift the current air filter out of the case and toss in the trash. Clean the inside of the box with a damp cloth or paper shop towel. Input the new filter and clamp the lid shut.
3. Purchase a new digitized motor electronic (DME) computer system chip. Disconnect the battery. Locate the DME compartment on the right side wall inside your BMW engine compartment. Gently snap out the rubber brads and peel back the foam casing surrounding the hard case protecting the computer system. Unscrew the four case screws that pin the hard case closed.
4. Pull out the DME box. Disconnect the tether and two clamps holding it in place. Unscrew the four screws on the box to open. Put on your static wrist strap. Carefully pop off the white case that is on the circuit board. Note the direction that the small divot faces on the DME chip. Gently pry the DME performance chip off of the circuit board with a flat head screwdriver.
5. Snap new performance chip into place. Replace the white plastic cover, the circuit board cover and screws. Reattach the DME to its tether and clips and reinsert in the BMW compartment where it belongs. Screw the compartment closed and recover with the BMW casing.

Pair a Mercedes Bluetooth With Your Phone
1. Select the Bluetooth option from your cell phones Settings menu and choose its Discover mode.
2. Press the TEL key on the cars radio to activate the telephone screen on the cars display.
3. Press the Phone List option on the Mercedes-Benz display and then select the Update option.
4. Choose the phone that is in discovery mode by tapping its name on the car display panel.
5. Create and enter a passcode four to 16 digits long in the Mercedes-Benz hand-free system and confirm the code by selecting OK,
6. Enter the passcode on your cell phone when promoted, watching for a pop-up window confirmation notice entitled, Authorization procedure successful.

Disassembly
1. Disconnect the ground cable from the negative battery terminal.
2. Disassemble the injector pipe by removing the plugs, plate and screws.
3. Gently push up on the injector pipe until all of the injectors have cleared the intake manifold.
4. Remove the plugs and pull up the retainer. You should now be able to remove the injectors.
5. Inspect the injector O-rings. If they are torn, worn or misshapen, replace them.
Reassembly
6. Install the O-rings onto the new fuel injectors, then seat them into the injector pipe.
7. Reinstall the fuel injector retainer and plugs.
8. Slide the injector pipe back into position. Be careful not to damage the injectors.
9. Reassemble the injector pipe.
10. Reconnect the ground cable to the negative battery terminal. Run the engine and make sure there are no leaks.

Interior Upgrades
1. Replace your dashboard kit. Many after-market manufacturers sell their dashboards with adhesive backs for easy installation. Others have hook and loop assemblies. Dashboards are available in various trims including vinyl, carpet, velour, leather, suede, aluminum, carbon fiber and wood. Consumer desires vary according to appearance preferences but conscientious buyers are encouraged to consider other factors in choosing a new dashboard. Some dashboards are made to reduce glare reflected from the windshield, resist solar damage, and reduce windshield glaze.
2. Reupholster your car seats or buy new seat covers. Stitchcraft World Custom Famous Interiors recommends bright, multi-tone seats covers to lend a sporty, racing style to your car. The interjection of a bright color against a muted tone is eye-catching. Stitchcraft World Custom Famous Interiors features a red Audi that received this make-over. To create a uniform decorative look, door panels were reupholstered in fabric equivalent in material and color to accents in the seats.
3. Pull up your worn carpet. Replace your cars carpet with a complementary color and backing of choice. New carpet is essential to full remodeling and gives a new-car smell to your interior. Useful accessories are available for purchase with custom carpets. These include door and kick panel inserts that are protective against the daily assault of passengers. Sound deadening kits are available as well. To protect your new carpet, overlay it with a cut-to-size plastic trim.
4. Upgrade all of the functional components of your cars interior. Decide on a theme and match the colors and fabrics. Replace the transmission gear shift knob, the steering wheel, the brake and acceleration pedals, console arm rests, hand brakes and dome lights. Buying certain parts made with more durable materials like foot pedals can add to longevity. Parts like the console arm rest may be purchased with cup holders increasing their functionality.
5. Purchase and install new audio system components. If your car can only play music on compact discs, you may consider a head unit that can play DVD, MP3 and MP4 audio files. Amplifiers add power to sound and if you want to add a one, your head unit must have outputs to accomodate it. Depending on how you play your music, you may be satisfied with your stock speakers. If a little extra bass is all you need, buy a subwoofer.

1. Open the drivers side door and get into drivers seat.
2. Insert the keys into ignition of the vehicle and turn it on.
3. Reach to the left of the steering wheel and locate the three buttons below the air vent. The top-right button is the headlamp washer switch.
4. Push the button in to activate the headlamp washer system. Press it once more to deactivate the headlamp washer system.

1. Open the hood of the car.
2. Inspect the area around the grills. On an older model like the 1988 535is, the kidney grills and side grills are held in place with screws.
3. Use a screwdriver to remove the screws that run along the upper edge of the grills.
4. Pull the grills up and out.
5. On new models like the new 135i, you may have to remove several torx bit screws (shaped liked a star) that hold a piece of bumper trim in the front, upper portion of the engine bay, above the grill.
6. Pull the trim forward enough so that you can look down behind the grills. Locate the clips that hold the grills in place, which will be on the inside portion of the grills.
7. Using a long tool such as a screwdriver, insert it through the grill until you can press on the clips that hold the grill.
8. Pull the grill out gently while pressing on the upper clips.
9. Once the upper clips are loosened and the grill is moving a little at the top, move to the lower clips.
10. Insert the screwdriver and press gently on the clips. Pull the grill out. Repeat for the other grill.
11. Remove the side grills in between the headlights and the kidney grills by unscrewing the screws that hold the side grills on. Some models, like the 135, do not have side grills.
12. Install the new grills in the reverse of removal. Replace the side grills first if they were removed, then gently press in the new kidney grills, pressing gently until they snap into place. On older models, the grill will simply screw back on.

1. Park your BMW X5 in a clean and open area to work with. Once you have moved your car, make sure that the parking brake is engaged and block the rear tires with wheel chokes. This step ensures that your car wont move while you are working underneath your BMW.
2. Open the hood of the BMW X5. Use the 3/8-inch socket wrench and 36 mm socket to open the oil filler element cap and set it aside. Use a towel to clean out the canister that holds the oil filter in your car.
3. Remove the oil cap from your BMWs engine and go underneath your car. There will be two trap doors, and one of the trap doors contains the oil drain plug. Pop open the trap door using a flat head screwdriver to expose the oil drain plug. Refer to your users manual for the correct trap door to open.
4. Unscrew the oil drain plug with the 3/8-inch socket wrench and 17 mm socket. Once you have loosened the plug, place the oil pan underneath the your car and continue to unscrew the plug until all of the oil drains out.
5. Put the crush washer that came with your oil filter kit onto the oil drain plug and screw it back in to a torque spec of 18 ft. lbs. or 25 Nm and close the trap door.
6. Fill the car with 7.5 quarts of full synthetic oil and screw the oil cap back onto your car when you are finished.
7. Replace the old oil filter and o-ring on your oil filler element cap. Use the 3/9 in socket wrench and 36 mm socket and screw the it back in to a torque spec of torque spec of 18 ft lbs or 25 Nm.

1. Turn your vehicles ignition off and press and hold the two outer buttons on your Audis system until the red indicator light begins to flash.
2. Press and hold the button on the remote you wish to program until the indicator light begins flashing.
3. Leave your car and hold your remote near the right headlight.
4. Press the open button on your remote and hold it until the hazard lights blink three times.
5. Press and hold the HomeLink training button inside of the car until the indicator light glows solid. If the light does not turn solid, continue to the following steps.
6. Press and hold the smart button on your garage motor, located on the side or back near the antenna wire.
7. Press the train button on your Audi system within 30 seconds of pressing the smart button and wait for the indicator light to glow solid. The programming will now be complete and your remote will be ready to use.

Rear Doors
1. Open one of the rear passenger doors, and locate the lever on the door jamb.
2. Push the lever up to engage the child safety lock, or down to disengage it.
3. Repeat the process with the other rear door.
Rear Windows
4. Locate the vertical window control panel on the inside of the drivers door.
5. Press the override switch for the windows, located at the bottom of the panel. The indicator light should come on. The rear window controls are now disabled, and passengers in the back seat cannot operate the windows.
6. Press the override switch again to enable the rear window controls. The indicator light will go off when the controls are enabled in the rear passenger area.

1. Press SYS and select Activate Bluetooth. A check mark should appear next to your selection on the screen.
2. Turn on your cell phone. Press the MENU button. Navigate to the Bluetooth selection. Choose Add a Device and select your cars model from the list.
3. Press the TEL button on your Mercedes GPS unit. Select Bluetooth and Update from the menu. Your GPS unit will now update the Bluetooth setting to work with your cell phone.
4. Press Options and Authorize. Enter the pass code you used to make your phone visible. Press the telephone icon on the GPS unit to confirm your selection. The Bluetooth connection between your phone and GPS unit should now establish.

1. Park the vehicle and remove the keys from the ignition. Open and secure its hood.
2. Open the folding cover in the front corner of the engine compartment.
3. Rotate the bulb cover cap and remove it. Unscrew the bulb holder counterclockwise and remove it from the vehicle.
4. Remove the bulb from the holder and replace, if necessary. Place the holder back into the vehicle and screw it clockwise to secure it.
5. Place the cap back onto the vehicle and close the folding cover. Close the hood.

1. Turn on the vehicle. Allow the vehicle to run for four to five minutes. Turn off the vehicle.
2. Open the vehicle hood. Insert the hood prop.
3. Remove the dipstick from the dipstick tube. Wipe oil from the dipstick with a rag.
4. Pinch the valve -- located on the line of a manual oil extractor -- between your thumb and index finger. Pump the extractor handle fifty times to build pressure in the extractor canister.
5. Slide the end of the extractor hose into the dipstick tube until you feel the hose hit the bottom of the oil pan. Push on the pinch valve to pull oil from the oil pan. Stop the flow of oil by pinching the valve closed.
6. Pull the extractor hose from the dipstick tube. Wipe oil from the hose with a rag. Open the pinch valve when the extractor is clear of the dipstick tube.
7. Insert the dipstick into the dipstick tube. Pull the dipstick out of the tube to check the engine oil level. Remove additional oil if the level remains high.

1. Open the hood of your Mercedes. Support the hood with the hood stand. Locate the battery terminal. Loosen the bolt on the negative terminal with an adjustable wrench. Lift the cable from the negative terminal.
2. Move the drain pan underneath the radiator. Locate the drain plug at the bottom of the radiator. Remove the plug and drain the coolant into the drain pan.
3. Loosen the bolt on the accessory drive belt tensioner with the nut driver. This will loosen the accessory drive belt around the engine. Lift the drive belt from the vehicle. Remove the mounting bolts on the back of the fan and lift it from the vehicle.
4. Remove the clamp attached to the lower radiator hose. Move the hose out of position and disconnect it from the water pump. Remove the mounting bolts from the damaged water pump and lift it out of the vehicle.
5. Attach a new O-ring and gasket to the water pump. Fix the pump in place with the mounting bolts to a torque of 18 pound-feet. Insert the lower radiator hose into the water pump and fix it in place with the clamp. Fix the fan back into place with the mounting bolts. Place the accessory drive belt back onto the drive belt tensioner and secure it in place by tightening the nut on the tensioner with a nut driver.
6. Unscrew the radiator cap and place coolant in the radiator. Reattach the battery cable and turn on the engine to check that the water pump works correctly.

1. Go to the Edmunds website to start your specification comparisons. Choose Used Cars from the home page and input the correct year, make and model. Choose the 350 series level you want to compare.
2. Choose the level of the 300 class that you want to compare to the 350 series--three different engine options are available. The most similar levels are the 350SE and 300SL because of similarly sized engine. Both are also rear-wheel drive.
3. Change back and forth between 350-class sedans during your comparisons. Click Specs from the left menu to view any model dimensions. Compare exterior and interior dimensions for both vehicles to determine which has more room or which weighs more.
4. Compare horsepower and torque for both classes. One has more torque than the other but less horsepower--it may prove worthwhile to drive both vehicles to compare acceleration.
5. Scroll to the bottom of the page to compare fuel economy. The 350-class is a turbodiesel, so better gas mileage is not unusual. Not even the four-cylinder 300-class can achieve the same gas mileage as the turbodiesel 350-class.
6. Click Available Features from the left menu to compare standard and optional features. Compare engines, transmissions, luxury and standard safety features.
7. Click on Resale values to view dealer retail, trade-in and private-sale values to see which class retains its value better.
8. Test-drive both vehicles, if possible. Even though you are able to compare specifications online, a test drive helps to complete your comparisons so you can better assess each vehicle.

1. Extend the key from the plastic key fob by pressing the chrome button on the corner of the fob.
2. Examine the key fob. Inside the key indentation in the fob (where the key rests when it is not extended). you should see a thin crack. This crack is where the two halves of the plastic fob cover come together. This crack should extend completely around the circumference of the key fob and should run parallel to the fob buttons.
3. Wedge a small flat-head screwdriver into the crack and use the screwdriver to pry the fob apart.