For 2005 A4 B7 Audi recommends to use: H11 12V 55W PGJ19-2, W5W 12V 5W W2.1x9.5d Longlife, WY5W 12V 5W W2.1x9.5d yellow, W5W 12V 5W W2.1x9.5d, T5W 12V 5W BA9s, P21W 12V 21W BA15s, C5W 12V 5W SV8.5 (11x35), PY21W 12V 21W BAU15s interference, D1S 85V 35W PK32d-2, H7 12V 55W PX26d, W3W 12V 3W W2.1x9.5d, and C10W 12V 10W SV8.5-8. To select the right part or fluid see the table below.

in your garage to make future searches easy.

Condition Value
expand_moreFront light sources
expand_moreDaytime running light
With bi-xenon P21W 12V 21W BA15s
Fog lamps H11 12V 55W PGJ19-2
expand_moreFront direction indicator
White direction indicator lens PY21W 12V 21W BAU15s interference
Yellow direction indicator lens P21W 12V 21W BA15s
expand_moreHigh beam
With bi-xenon D1S 85V 35W PK32d-2
With halogen headlamp H7 12V 55W PX26d
expand_moreLow beam
With bi-xenon D1S 85V 35W PK32d-2
With halogen headlamp H7 12V 55W PX26d
Parking light W5W 12V 5W W2.1x9.5d Longlife
Side direction indicator WY5W 12V 5W W2.1x9.5d yellow
expand_moreInternal light sources
Boot light W5W 12V 5W W2.1x9.5d
Door safety light W5W 12V 5W W2.1x9.5d
Entry light W5W 12V 5W W2.1x9.5d
Footwell light W5W 12V 5W W2.1x9.5d
expand_moreGlove compartment light
With cooled glove compartment. W3W 12V 3W W2.1x9.5d
Otherwise W5W 12V 5W W2.1x9.5d
expand_moreInterior light
Front C10W 12V 10W SV8.5-8
Rear C5W 12V 5W SV8.5 (11x35)
Reading light T5W 12V 5W BA9s
expand_moreRear light sources
Back-up lamp P21W 12V 21W BA15s
License plate light C5W 12V 5W SV8.5 (11x35)
Rear direction indicator P21W 12V 21W BA15s
Rear fog lamp P21W 12V 21W BA15s
Stop lamp P21W 12V 21W BA15s
Tail light P21W 12V 21W BA15s

Servicing your Audi use only recommended parts, oils, fluids and lubricants.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 Audi A4 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A4 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2005 Audi A4 you're not only saving money, but also also improving your technical skills and learning something new.

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