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Mobile MG & Rover Key Replacement in Bristol & Bath

Lost, broken or locked out of your MG or Rover? We come to you across Bristol, Bath & South Gloucestershire — keys cut and programmed with dealer-level kit, guaranteed.

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Access Your MG

Regain Entry Into Your MG or Rover

Lost, snapped or stolen the key to your MG3, MG ZS or MG HS? Modern MG is not the marque of memory. It is a current, fast-growing brand owned by SAIC — one of Britain’s fastest-selling makes — and its cars run electronic immobilisers and, increasingly, smart proximity keys. So a lost or dead MG key is never a five-minute cut-a-copy job.

Take an MG to a main dealer and you are usually looking at recovering the car (it is immobilised without a coded key), a booking that may be days away, and a bill stacking the key, the programming and the recovery. A general key cutter cannot help either: the car’s immobiliser will not accept a key that has not been electronically married to it — and an all-keys-lost job needs the vehicle’s security / PIN code before a new key can be added at all.

Lock City is a mobile auto locksmith that keeps its software and stock current for modern MG — the SAIC brand, not the old MG Rover. We come to you, cut the blade on-site and code the key to your immobiliser at the roadside — no towing, no dealer wait, every key replacement and key programming job guaranteed. We also still cover the classic side — Rover 25, 45 and 75 and older MGs (ZR, ZS, ZT, MGF/TF) — with their legacy transponder and immobiliser keys. Call 07967 097 899, Monday to Friday, 8am–5:30pm.

Know Your MG Key

MG & Rover Key Systems Explained

MG is now a mainstream SAIC brand, and its UK volume is climbing fast — which means growing demand for replacement keys, and a key system that has moved on sharply between generations. Knowing which car you have — or just giving us your reg — tells us the exact key, chip and software the job needs:

Modern MG (SAIC, 2011–present)

  • MG3: a supermini. Older cars (2011–2023) use a bladed key — a fixed-head or flip (switchblade) remote — with an electronic transponder chip; the all-new MG3 Hybrid+ (2024-on) moves to a smart proximity keyless fob [verify against your VIN].
  • MG ZS / ZS EV: a bladed remote on early cars, moving to smart proximity keyless on the electric ZS EV and later trims [verify against your VIN].
  • MG HS: the larger SUV — smart proximity keyless is common on higher trims, with a bladed remote on entry-level cars [verify against your VIN].
  • Immobiliser: an electronic immobiliser across the range (commonly a Hitag2 / ID46-family chip on these SAIC cars) [verify against your VIN].
  • All-keys-lost: programmed via the OBD port, but MG requires the vehicle’s security / PIN code to add a key from scratch — which we can obtain and apply at the roadside.

Classic Rover & older MG (legacy — we still cover these)

  • Rover 25 / 45 / 75 (and the Metro/200/400 era): older transponder-and-immobiliser keys (Lucas / Pektron-era security). We can cut and, where a transponder is fitted, programme them.
  • Older MG (ZR, ZS, ZT, MGF / TF): built on the Rover platform, so they share the same legacy key and immobiliser systems — a different job entirely from a modern SAIC MG.
  • Tell us the model and year and we will confirm whether yours is a simple mechanical/transponder cut or a full immobiliser job before we come out.

Note: the exact transponder, and the flip-vs-fixed and bladed-vs-smart cut-over points, vary by trim and build date [verify against your VIN]. Tell us your registration and we will confirm the key type and software before we travel — and quote the exact figure first.

What Our Customers Say

Frequently Asked Questions

Do you cover both modern MG and classic Rover & MG?

Yes — both. Modern MG is a current, fast-growing British-market brand owned by SAIC, and we cut and programme keys for the MG3, MG ZS (including the ZS EV) and MG HS with dealer-level equipment. We also still look after classic Rover and older MG — from the Rover 25, 45 and 75 to the MGF and TF. Tell us your registration and we will confirm exactly what your car needs.

What should I do if my Rover or MG key is lost or damaged?

Contact us with your vehicle model and year, and we’ll guide you through the replacement process. We can often create a new key without needing the original.

Do MG and Rover keys need programming?

Most do. Modern MG models use an electronic immobiliser and, on newer cars, a smart proximity key — these need dealer-level programming, and an all-keys-lost job also needs the vehicle’s security/PIN code, which we handle at the roadside. Older Rover and MG transponder keys are simpler but still have to be coded to the car. We carry the equipment for both.

How long does it take to replace a key for my Rover or MG?

We aim for same-day service but the timeframe can vary based on the specific key technology and model of your vehicle.

How much does an MG or Rover key cost to replace?

It depends on the car. A modern MG smart key for the ZS, HS or newer MG3 costs more than an older bladed transponder key, because of the fob and the programming involved; a classic Rover or MG key varies with how rare the part is. We do not publish fixed prices — give us your registration for an exact key replacement quote before we travel.

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