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1
Golf mk8 / Re: car battery
« Last post by The WolfMan on Today at 14:05 »
Quote from: Rudedog on Today at 11:24
Has anyone used one of those plug-in diagnostic tools that has a limited number of fixed service functions?

The ones for around £40-50 allow you to put the EPB into the service setting, reset service lights and some have the function to register new batteries.
Since most of the MK8 modules are SFD locked I doubt that you can use those tools, at least without paying for a token which is not cheap.

I would look into two options: VCDS or OBD11.

VCDS doesn't have SFD support for now but is planned. The community and documentation are very good. OBD11 is cheaper, as a business model around subscriptions for certain functions and supports SFD.

If you like to work on your car and you say that some workshops charge fifty pounds to code the battery you will hit break even very quickly.
2
Golf mk7 / Re: What have you done to your MK 7 today ?
« Last post by MervJnr on Today at 13:00 »
Quote from: A-Kai on 25 January 2026, 00:56
Quote from: MervJnr on 21 January 2026, 13:38
Quote from: A-Kai on 10 January 2026, 00:09
Fitted some actual winter tyres and drove to the northern most part of The Netherlands, where it’s been dumping fresh powder every day. Fair to say that my PS4S’ would’ve killed me by now. Bonus: there is something oddly satisfying about a white car on fresh snow.



How did you find the car in the snow? Have recently picked up a set of wheels with winter tyres as I'm planning on driving to the alps for a ski trip. From what I've read they seem to cope fine with good tyres - time will tell!

Car felt well planted and barely triggered the traction control, despite the constant sound of snow and sloshing all around. Good rubber is vital. For reference, I have a set of 19” Hanook Winter i*cept evo3 on with approx. 7mm thread all round, which are a good mid-premium range tyre. They got me through heavy snow just fine, and I passed several cars on All Season tyres awaiting recovery.

That’s being said, the roads leading to ski resorts are usually well maintained, so I’m sure you’ll be fine! If the car does lose traction. I found it to be easily controllable as long as you’re driving smoothly.


Good to know, thanks for the feedback! Funnily enough they are the tyres I'll be using, albeit on 17" wheels. Test fitted yesterday - clears the PP front brakes so should be all good! May take some chains as a fall back. 
3
Golf mk8 / Re: car battery
« Last post by Rudedog on Today at 11:24 »
Has anyone used one of those plug-in diagnostic tools that has a limited number of fixed service functions?

The ones for around £40-50 allow you to put the EPB into the service setting, reset service lights and some have the function to register new batteries.

4
Golf mk8 / Re: car battery
« Last post by fredgroves on Today at 10:53 »
hmmm thats quite expensive.

I guess its still cheaper than buying something like obd11 (if you have no other reason to need it)

Unless someone who's got one is prepared to help you out.

Personally I'd just get a garage/halfords to do it... just suck it up.
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Golf mk8 / Re: car battery
« Last post by DrG_GTi on Today at 09:28 »
Unfortunately to fit these types of battery and do the BMS coding is £50 at Halfords, just checked as thought "that's a good idea"...  :smiley:

Quote from: fredgroves on 25 January 2026, 19:27
OK I'm wrong.

In that case pay halfords a fiver for fitting it  :grin:
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Golf mk8 / Re: car battery
« Last post by fredgroves on 25 January 2026, 19:27 »
OK I'm wrong.

In that case pay halfords a fiver for fitting it  :grin:
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Golf mk8 / Re: car battery
« Last post by Carlosfandango on 25 January 2026, 18:09 »
Quote from: fredgroves on 24 January 2026, 10:34
Bosch or varta are usually the pick of the brands. I could be wrong but I believe the coding is only necessary if the battery has different parameters to the one you have now (capacity, type etc).

Easiest swap is to look at what you have now and replace it like for like.

Your car is five years old, not unexpected to need a new battery by now.

https://www.yuasa.com/uk/info-hub/start-stop-battery-replacement



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Golf mk8 / Re: car battery
« Last post by Carlosfandango on 25 January 2026, 17:51 »
Bosch and Varta are exactly the same battery , and neither would be my first choice. YUASA batteries are probably the best available currently. Exide are, as said, also very good, particularly their premium offering.
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New forum members / Re: Hello from Portugal
« Last post by The WolfMan on 25 January 2026, 16:04 »
Thanks Exonian.

I don't have any car. Once in a while I drive a Passat Typ 3B with a 1.9 TDI.
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New forum members / Re: Hello from Portugal
« Last post by Exonian on 25 January 2026, 09:37 »
Welcome Filipe  :smiley:

Your knowledge and enthusiasm will be very welcome here!

Hopefully you will decide to get a GTI 50 but what car do you drive now?
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