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I have a 2020 Audi A4 35 with the touch screen MMI. On the radio it has a combined DAB/FM or AM waveband function. Can somebody advise how to select the FM waveband as there are local stations that are only on FM. Whilst it indicates DAB/FM there does not seen to be any means of manually selecting DAB or FM? Thanks

Then it must be a Gen 4 car. Was not aware that they were also mild hybrid?

Hi I would suspect that it is a Gen 5 model. Do you have the rotary MMI control knob? If you do then it is a Gen 4 if you do not it is a Gen 5. I think time is going to tell on these mild hybrid cars as to the longevity of the lithium battery?

But is it a Gen 4 or Gen 5 model? The newer Gen 5 models started to arrive in 2019 so there was a period of crossover when they would both of been available and registered in 2019. I believe, but possibly wrong, that the mild hybrid started with the Gen 5 models? Have you had any issues with your mild hybrid, particularly with the dedicated mild hybrid lithium ion battery or other issues associated with it being a mild hybrid?

I believe that the Gen 4 A4's were not MHEV's, mild hybrid, so that would make the last year these were manufactured would be 2018/2019?

Yes that is the one that I saw. On reading the full text it still remain unclear as to what sort of EV car it is, mild, plug in or full EV, but in any event a ridicules position and certainly an eye opener for all those pushing for full electric by 2030! I am/was currently looking at a 2020 35tfsi because that seems to be the only year of the gen 5 A4's that have a manual gearbox. I have had 3 A4's over the last 17yrs and would like to continue with one but it is looking increasingly likely that since they are all now MHEV's that I will have to look elsewhere which is really very disappointing. Whilst the cost to replace the MHEV 12v lithium ion battery is knowhere near the above example it is still a cost that I am concerned I will have to face at any time as there does not seem to be any information at to the longevity of these 12v lithium batteries, not what will happen when it fails.

Thanks for the reply. I think in the case of the Mercedes owner it was a full EV car and not just a mild hybrid. In his case it was £15K to replace the whole batteries, which was was more than the car was worth.

I'm looking to replace my 2009 Audi A4 2.0l TDi which I have owned for the last 13 years. I would like to replace it with another Audi approved A4 35 tfsi, but clearly over the last 13 yrs there has been a significant change in the technology. Firstly it now seems that you can no longer buy an A4 with a manual gearbox, unless you can find a good used 2020 model. However, the main concern is that all the 2020 on A4's are now mild hybrid or MHEV's that use a separate 12v lithium ion battery, which raises a lot of concern, see attached photo which shows the lithium ion battery to the right of the std AGM battery encased in an aluminium enclosure. Firstly there is only a 3yr warranty on this battery, so clearly Audi themselves do not have any confidence as to it's long term life or use and if you were to purchase a 2020 model that warranty would have expired and therefore, like any battery it will deteriorate and could fail at any time beyond that time period with no cover. The cost to replace the lithium ion battery, 4K0915101, is a current staggering £762 plus fitting and set up so possibly up to £1K? This is for a MHEV system that at best may save 5/10% on fuel so a quick calculation shows that potentially the replacement cost of this battery, certainly in my case, could be 2 to 3 the cost of any fuel saving, madness! Is there anybody here who has any real time experience of these MHEV models and/or could enlighten as to the likely real time life of these 12v lithium ion batteries? A std AGM battery can usually last 8 to 10 yrs. Further, can anybody advise as to what happens if/when this battery fails or it's charge falls to a level that it can no longer provide the necessary power? Will all the normal car functions still work and operate and what functions will/would be lost if the lithium ion battery is no longer operational? Could you in fact run without this battery? Any advice would be greatly appreciated as none of the sales people or service manages I have spoken to have a clue.

It possibly still is? I did not do a Web search till after I had put the glove box bac or else I would have removed as it probably has an unnecessary parasitic drain on the battery? Now I know what it is I will probably remove it at some time. It was a ex-demo so the dealer must have fitted it?

Apparently it is part of a Cobra 2110 Tracking system and not part of the original Audi build, so does not matter where it goes.

Have just fitted a replacement Audi A4 B8 NS Left Upper Climate Flap Positioning Motor Bracket, 8K2-820-892 and in the process the attached has become displaced. Can somebody please identify it, it would appear to be some sort of sensor with an adhesive backed fitting and where it should be fitted? Thanks

Thanks for the reply. Aware that you need to disconnect the negative lead before doing any work on the electrics. But why do you recommend disconnecting some 30 mins before removal? Will there be any issues reconnecting the battery after its been disconnected on the B8 versions, ie thing not working or require re-coding?

Is there anybody who can offer some advise on the steering angle sensor replacement?

Hi Car is a 2009 A4 (B8) 2l TDi saloon with manual gearbox My ESP light has started remain on, so I took it to a friend who has a small garage and he connected his diagnostic tool which came back with steering angle sensor fault. Which would appear to be a know and common problem? Having done a quick web search the part looks to be a 8*0953568* with a number of prefix and suffix variants, though based on the Vin No the indications are that is should be a 8K0953568G, though there also appears to be a later M suffix version? Need to remove the steering wheel to check what is actually fitted. Can anybody enlighten as to what the actual fault problem relates to as there is somebody on e-bay who does a software upgrade, you send sensor and he downloads new software and sends it back, which is supposed to correct the fault due to the original sensor software setting becoming corrupted. Has anybody used this service? Alternatively there are a number a used sensors available with varying prices but also with different prefix and suffix lettering. Can anybody advise if you can simply just change the sensor or does it then require calibrating and coding? Thanks