Live now · UK only at launch

AVOID EXPENSIVE
MISTAKES BUYING
A USED BMW.

Paste any BMW listing — get engine-code risks, common faults, UK repair-cost exposure, and a straight buy / negotiate / walk verdict before you travel. Selling a BMW?

Run a free buyer report → See how it works
N47 timing chain failure · £3,200
B47 EGR cooler crack · £1,800
S55 charge pipe split · £400
Mileage clocked · £8,000 mistake
DPF failure on 320d · £2,100
N63 oil consumption · £5,500
ZF gearbox service skipped · £4,200
Injector failure N47 · £1,400
N47 timing chain failure · £3,200
B47 EGR cooler crack · £1,800
S55 charge pipe split · £400
Mileage clocked · £8,000 mistake
DPF failure on 320d · £2,100
N63 oil consumption · £5,500
ZF gearbox service skipped · £4,200
Injector failure N47 · £1,400
The problem

These mistakes happen
every single day.

BMW ownership anxiety is real. People spend £18,000-£55,000 on a car and have no idea what they're actually buying. HPI tells you about finance. It doesn't tell you about what's about to go wrong.

£3,200
Timing chain replacement
The N47 diesel engine has a rear-mounted timing chain that fails at high mileage. It's not on any HPI check. It's not mentioned in any standard inspection. You find out when the engine destroys itself.
N47 · N57 · 118d · 120d · 318d · 320d · 520d
£5,500
Engine rebuild, oil consumption
The N63 V8 is famous for consuming a litre of oil every 1,000 miles. Left unaddressed it destroys the engine. Most sellers know. Most buyers don't. There's a specific mileage danger zone, Bimmer.AI flags it.
N63 · 550i · 750i · X5 50i · X6 50i
£8,000+
Buying a clocked car
Mileage fraud is one of the biggest hidden hits in the UK used market. DVSA MOT history shows every mileage reading over the car's life, and a mismatch is the tell. Automatic DVSA MOT cross-check is coming to Bimmer.AI soon — in the meantime, the free gov.uk tool does it in 30 seconds.
Any model · Any year · Any mileage
£2,100
DPF replacement
Every diesel BMW has a Diesel Particulate Filter. Short journeys block it. Blocked DPFs get removed or destroyed. A car that's had its DPF removed is illegal on UK roads, and expensive to fix. We check the service pattern.
Any diesel · 116d · 118d · 320d · 520d · X3 20d
How it works

Paste a listing.
Get a verdict.

01
Describe the car
Paste a listing description, a screenshot, or just type out the year, model, mileage and anything you already know. No special formatting required. Reg plate, VIN and AutoTrader URL lookup — coming soon.
02
We cross-reference what matters
Engine-specific fault database (N47 timing chain, B47 EGR recall, N57S turbo actuators, B58 & more). UK service cost benchmarks. Ownership cost modelling across best/average/worst scenarios. DVLA confirmed spec & DVSA MOT history cross-check — coming soon.
03
You get a straight answer
Not 14 forum threads. Not "it depends." A clear verdict — whether you're buying or selling. Buyers get "buy, negotiate, or walk." Sellers get a listing draft, paperwork checklist, and honest answers to every red-flag question a buyer will ask.
What you get

Everything HPI doesn't tell you.

Engine-specific fault intelligence
N47 timing chains. B47 EGR coolers. N57 swirl flaps. N57S tri-turbo actuators. B58 AdBlue. Every known fault for your exact engine code, with mileage windows and estimated UK fix costs.
300+ chassis × engine combinations covered
3-scenario ownership costs
Best case, average case, worst case, for the next 30,000 to 50,000 miles. Real UK indie specialist pricing, not dealer estimates.
Plan before you buy
Service action centre
Every preventative job ranked by urgency. Dealer quote vs authorised indie vs DIY, with a real UK parts list so you know exactly what you're walking into.
Negotiation ammunition
Seller mode
Flip the perspective: get a listing draft, paperwork checklist, and one-line honest answers to every red-flag question a prepared buyer will ask. Same data, opposite lens.
New, for private sellers
Mileage clocking detection Coming soon
Auto cross-check of listing mileage against every recorded DVSA MOT reading. If the numbers don't add up, you'll know before you waste a trip. Today: use the free gov.uk/check-mot-history tool manually.
Coming soon, DVSA API integration
DVLA & reg-plate lookup Coming soon
Enter a reg plate, get the DVLA-confirmed spec + MOT status + tax status, then run the full report on that exact car. Currently in build. For now: paste listing details manually.
Coming soon, DVLA VES integration
How we compare

HPI tells you what happened.
We tell you what it'll cost.

HPI, AutoCheck, and similar checks catch finance, stolen and write-off history. Bimmer.AI adds the BMW-specific engine risk and UK repair-cost layer on top. Read the full HPI vs Bimmer.AI comparison →

Feature HPI Check Mechanic inspection Bimmer.AI
Finance / stolen check
Mileage clocking detection Sometimes Coming soon
Engine-specific fault database If they know BMWs
3-scenario ownership cost forecast
Paste listing text or describe the car
Seller-side report (listing draft, paperwork checklist)
Negotiation leverage Verbal opinion only Written report
Available instantly, 24/7 Book weeks ahead
Cost £19.99 £150-£300 Free (beta)

KNOW MORE
THAN THE SELLER.

The tool is live. The first report is free. Run it before your next viewing, or leave your email for build updates.

Or go straight to app.bimmer.ai · No account needed for first report