For 2001 A3 First generation facelift Audi recommends to use: W3W 12V 3W W2.1x9.5d, W5W 12V 5W W2.1x9.5d, C5W 12V 5W SV8.5 (11x35), C10W 12V 10W SV8.5-8, W2.3W 12V 2.3W W2x4.6d, P21W 12V 21W BA15s, PY21W 12V 21W BAU15s yellow, P21, H7 12V 55W PX26d Longlife, H4 12V 60, H7 12V 55W PX26d, PY21W 12V 21W BAU15s interference, H1 12V 55W P14.5s, D2S 85V 35W P32d-2, W5W 12V 5W W2.1x9.5d Longlife, W5W 12V 5W W2.1x9.5d blue, and WY5W 12V 5W W2.1x9.5d yellow. 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_moreFog lamps
Otherwise
H7 12V 55W PX26d Longlife
With halogen headlamp
H4 12V 60
Xenon headlights
H7 12V 55W PX26d
expand_moreFront direction indicator
With halogen headlamp
PY21W 12V 21W BAU15s yellow
Xenon headlights
PY21W 12V 21W BAU15s interference
expand_moreHigh beam
With halogen headlamp
H1 12V 55W P14.5s
expand_moreWith halogen headlamp
Otherwise
H7 12V 55W PX26d
With fog lamps
H4 12V 60
Xenon headlights
H7 12V 55W PX26d Longlife
expand_moreLow beam
With halogen headlamp
H7 12V 55W PX26d Longlife
With halogen headlamp
H1 12V 55W P14.5s
Xenon headlights
D2S 85V 35W P32d-2
expand_moreParking light
With halogen headlamp
W5W 12V 5W W2.1x9.5d Longlife
Xenon headlights
W5W 12V 5W W2.1x9.5d blue
expand_moreSide direction indicator
White direction indicator lens
WY5W 12V 5W W2.1x9.5d yellow
Yellow direction indicator lens
W5W 12V 5W W2.1x9.5d
expand_moreInternal light sources
Boot light
W3W 12V 3W W2.1x9.5d
Door safety light
W5W 12V 5W W2.1x9.5d
Glove compartment light
C5W 12V 5W SV8.5 (11x35)
Interior light
C10W 12V 10W SV8.5-8
expand_moreRear light sources
Auxiliary brake light
W2.3W 12V 2.3W W2x4.6d
Back-up lamp
P21W 12V 21W BA15s
License plate light
C5W 12V 5W SV8.5 (11x35)
Rear direction indicator
PY21W 12V 21W BAU15s yellow
Rear fog lamp
P21W 12V 21W BA15s
Stop lamp
P21
Tail light
P21
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 2001 Audi A3 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.
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 A3 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 2001 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.