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2017–2024 MINI Countryman

2017-2024 Mini Countryman — Replace Battery

By Tom Becker ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026

🔧🔧 Moderate 1 hour $188 DIY 1 views

Save $207 by doing it yourself! Shop cost: $395

Quick answer: Replace Battery on a 2017–2024 MINI Countryman is rated Moderate and takes about 1 hour. You'll need 10 tools for this job, and parts cost about $188. This guide walks you through the full job step by step, including the mistakes to avoid.

Quick Video Tutorial

Parts You Need

Total Cost
$188.00
Part Name Part Number Price Buy
12V Car Battery (Group 47 / H5 AGM) — $150.00
Battery Terminal Cleaner — $10.00
Battery Hold-Down Clamp — $20.00
Battery Terminal Protector Spray — $8.00

About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

1

Prepare the vehicle

The 2017–2024 MINI Countryman (F60) has its battery in the ENGINE BAY — access by removing the cover/cowl components. You'll need: Group 47 (H5) AGM battery, 10mm and 13mm sockets, trim tools for the cowl. Critical: REGISTRATION IS REQUIRED.

🔧 Mechanic's note — Tom Becker

I confirm the registration requirement before I start — the MINI's BMW-family electronics punish a skipped registration with start-stop faults, and I've cleaned up that mess for others.

2

Disconnect negative first

Remove the cowl cover/components to access the battery in the engine bay. Always disconnect the NEGATIVE terminal first (black, minus). The IBS sensor is on the negative cable (BMW-family). Use a 10mm wrench. Be careful with the IBS.

🔧 Mechanic's note — Ray Delgado

I'm extra careful around the IBS sensor on that negative cable — I've seen one cracked by a slipping wrench, and it's not a cheap part to replace.

3

Remove the hold-down

Use a 13mm socket. Keep the hardware. Take a photo of the old battery's label showing Ah rating and type — the registration procedure needs these. The Group 47 AGM is a standard size but the Countryman's bay is compact.

4

Note the orientation and verify the replacement

Maneuver carefully in the tight space. Note the orientation. Place on a flat surface. Verify your replacement: Group 47 (H5) AGM. The capacity should match the original, or you'll need coding in addition to registration.

5

Clean the tray and terminals

Remove debris. Clean the terminals with a wire brush. Inspect the IBS sensor. Check the cowl components for damage. Ensure the tray is dry. The Countryman's engine bay exposes the battery to the elements — thorough cleaning matters.

6

Install the new battery

Place the new Group 47 AGM battery in the tray, matching the original orientation. Reinstall the hold-down and tighten securely. Ensure the IBS will align with the negative post. Double-check terminal positions.

7

Reconnect positive first

Reconnect the POSITIVE terminal first (red, plus), tighten the 10mm clamp. Then reconnect the negative with the IBS. Apply dielectric grease. Now perform REGISTRATION via BimmerLink, ISTA, or scan tool — same as BMW.

8

Verify and complete

Reinstall the cowl cover/components. Start the vehicle. Verify via diagnostic tool that registration (and coding, if done) was successful. Check: no battery warnings, all electronics work, start/stop functions (if equipped). Dispose of the old battery for recycling.

🔧 Mechanic's note — Tom Becker

I check for battery warnings and test start-stop before calling it done — and I take the old battery straight to recycling, because I've got no use for a lead-acid paperweight.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

  • • Not disconnecting the negative terminal first, which can cause a short circuit
  • • Using a battery with incorrect specifications, leading to potential electrical issues
  • • Failing to properly secure the new battery, which can cause movement and potential damage