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Audi battery coding and registration
Registering the new battery in the car's energy management so charging, start-stop and warnings behave as Audi intended.
- 24-mo warranty included
- ~30 min arrival in Dubai
- Free fitting + coding
Battery coding tells your Audi that a new battery has been fitted, along with its capacity, technology and serial. Most Audis from about 2008 need it. We do it on site with a diagnostic tool in a few minutes. It is included with every battery we fit, and available on its own if another shop skipped it.
What the BEM code is, and what if your battery has none
BEM stands for battery energy management. On original Audi batteries the label carries a code made up of the part number, a manufacturer code and a serial number. Older cars read this as one long value. Newer cars ask for capacity, maker, serial and technology as separate fields.
Aftermarket batteries, including very good ones, often have no BEM sticker. That is not a problem. The adaptation is still carried out by entering the true capacity and technology with a new serial. What matters is that the car knows a different battery is fitted and what kind it is.
Skipping it does not break the car. It means the energy management keeps treating a fresh battery like the worn one it replaced, limiting start-stop and comfort features and charging to the wrong profile. Over time that costs battery life.
What happens during coding
No towing. No workshop. Just this:
On site: 25 to 45 minutes
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Connect to the car
A diagnostic tool plugs into the port under the dashboard and opens the battery regulation or gateway control unit, depending on the model.
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Enter the new battery data
Capacity in Ah, technology and a serial number are written in. Older cars take this as a single BEM code from the battery label.
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Reset the ageing data
The car discards what it had learned about the old battery and starts measuring the new one from zero.
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Check and clear
Stored low-voltage faults are cleared and we confirm that charging and start-stop respond as they should.
Available in
By Audi model
Pick your model. We show the battery it takes and fit it at your place.
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Audi Q7 Under a front seat or the boot floor, by generation -
Audi A6 Under the boot floor -
Audi Q5 Under the boot floor -
Audi A4 Usually under the boot floor -
Audi A3 Engine bay, left side -
Audi Q8 Away from the engine bay, confirmed by chassis number
Something else? We fit 219 other makes too. Browse all car makes
Battery coding: FAQ
Short answers. Anything else — WhatsApp us.
What happens if an Audi battery is not coded?
The car keeps using the old battery's ageing data. Start-stop may stay disabled, comfort features may be limited, and the new battery is not charged to its ideal profile, which can shorten its life.
Can you code a battery that another shop fitted?
Yes. We test the battery, confirm its capacity and type from the label and register it. It usually takes ten to fifteen minutes.
Which Audi models need battery coding?
As a rule, anything with a battery monitor: A4 and A5 from 2008, A6 from 2005, Q5, Q7, A8, and all A3, Q2, Q3 with start-stop, plus every e-tron. Classic models do not.
Is coding the same as registering a battery?
In everyday use, yes. People say coding, registration or adaptation for the same job: telling the energy management about the new battery.
Other battery services
Won't start? We test it first. Jump, new battery, or nothing — you only pay for what it needs.
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Battery replacement
The correct AGM or EFB for your model, fitted where the car is parked. Settings kept alive during the swap, old battery taken away.
Free delivery and fittingCoding to the carUp to 24 months warranty -
Jump start
A safe boost from a professional pack through the proper jump posts, followed by a test to see why it went flat.
Battery and alternator testSurge-protected boosterHonest advice after -
Battery testing
A printed-style reading of charge, health and cranking power, plus alternator output and standby drain. Takes about ten minutes.
State of health and chargeAlternator checkDrain check
What drivers say
4.9 out of 5 from 9,300+ Google reviews.
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Omar Al Mansoori Audi Q7, Al BarshaQ7 would not start in the basement before a flight. Technician arrived in about 25 minutes, knew the battery was under the seat, changed it and coded it. I made the flight.
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Sarah Whitfield Audi A3, Dubai MarinaI expected to be sold a battery. He tested it, said it only needed a jump and a longer drive, and charged for the jump only. Saved their number.
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Muhammad Irfan Audi A6, Khalifa CityCame to Abu Dhabi at night. Explained why the A6 needs an AGM battery and showed me the before and after readings on the tester. Paid with Tabby.
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Layla Haddad Audi Q5, Al MajazStart-stop had stopped working for months and the dealer quoted a long wait. New battery fitted at my building in Sharjah and start-stop was back the same day.
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James O'Connor Audi A5, Business BaySecond battery in a year from another shop had failed. These guys found it was the wrong type and never coded. Proper AGM fitted, no warnings since.
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Noura Al Suwaidi Audi Q8, JumeirahPolite, on time, clean work in the driveway. Took the old battery away and sent the warranty details on WhatsApp straight after.
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Hassan Reza Audi e-tron, Dubai HillsDid not know an e-tron had a normal 12V battery until the car refused to wake up. They did, and had the right one on the van.
Not starting? Send model + location pin
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