Thiswill remove the corrosion and will ensure good contact. At the end, connect the positive cable first and then the negative one, install the cover above your battery, if there is one, and you are done. This is all you need to do in order to Thisis episode 9 in my repair videos for the 2008-2016 Audi A4 (b8).After a very cold spell here in Scotland my car alarm started sounding randomly. Much to higuys need to change my battery as its virtually dead after a day of standing.checked voltage with multimeter and with the car running its on 14.4 volts so it seems the alternator is okay got a new battery delivered yesterday had a look and it looks tight to get the battery out unless you TheA4 Avant range was launched a year after its saloon counterpart back in March 1996 to replace the 80 and 90-series cars. This marked an enormous step forward in terms of both quality and design complexity for Audi and the company managed to catch main rivals BMW and Mercedes on the hop. Or select home delivery and fit the battery yourself. Quickly find the right battery for your Audi A4 and enter your registration number or use the filters below. If you need help, don't hesitate to call our battery team on 0808 164 9361. A4(B6 Platform) Discussion - Battery replacement on and A4 1.8T - Anybody has replaced the battery on a 2002 A4 1.8T? After 5 years of using the OEM battery it finally gave up on me. It was misbehaving the last few weeks, but I just didn't bother to replace it. Seems it can not hold the charge for more that a day or Stepsto change the battery in a 2007 Audi A4 2.0L 4 Cyl. Turbo: 1. Remove battery bracket 2. Loosen terminal clamps 3. Take out old battery Advanceetc will do it for you for a decent price. The equipment you would need ( factory level scanner ) would cost you far more than you would save. Changing a battery is no longer a “basic car repair skill”. Hello all! Novice car owner here looking to do a simple battery replacement in my Audi A4. dRb4.