2018 BMW M4 3.0L Petrol · CX18 SNK
2018 BMW M4 (3.0L, petrol). First registered 30 Apr 2018. Recorded mileage 44,672 miles. MOT expired on 02 May 2025.
- Make & Model
- BMW M4
- Year / Origin
- 2018 · Bangor
- Safety Recall
- Unknown
- MOT Status
- Expired on 02 May 2025
- Road Tax
- —
- Recorded Mileage
- 44,672 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 3.0L
- Reliability Guide
- Common Faults
CX18 SNK Key Findings
- 5 MOT tests recorded
- Latest MOT failed on 12/02/2026
- 44,672 miles recorded at latest MOT
- 2 historical MOT failures
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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Technical Specifications
Core Specifications
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Known faults for BMW M4
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
CX18 SNK Mileage History
- 03/05/202218,743 mi
- 14/04/202328,108 mi+9,365 mi
- 10/04/202431,973 mi+3,865 mi
- 12/04/202431,986 mi+13 mi
- 12/02/202644,672 mi+12,686 mi
Average of roughly 6,859 miles per year across 5 recorded odometer readings.
CX18 SNK MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2018 BMW M4 (CX18 SNK) between May 2022 and February 2026.
The record contains 3 passes and 2 failures.
The most recent test on 12 February 2026 was a fail; the vehicle has not passed its last recorded MOT.
Common Problems: BMW M4
Known issues reported by owners and MOT testers.
- Crank Hub Slip / Engine Timing Issues(Serious)
The same S55 crank-hub concern that affects F80 M3s also hangs over the F82/F83 M4, especially on tuned cars making repeated hard launches.
- Adaptive Damper / Top Mount Wear(Moderate)
Stiff suspension, large wheels, and poor UK roads can leave M4s with worn dampers, noisy top mounts, or poor wheel alignment that chews through tyres.
- Convertible Roof Water Ingress / Module Risk(Moderate)
The folding-roof M4 Convertible can suffer from blocked drains, wet boot electronics, or roof-cycle faults if the mechanism has been neglected.
- Coolant / Charge-Cooling Leaks(Moderate)
Turbocharged M4s can lose coolant from expansion tanks, front coolers, or hoses. It is a common nuisance fault on hard-driven examples and should not be ignored.
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Batch Registration Neighbors (CX18 Series)
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BMW M4 Model Intelligence & Reliability
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Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2018 model year cars.
- Crank Hub Slip / Engine Timing IssuesSerious
The same S55 crank-hub concern that affects F80 M3s also hangs over the F82/F83 M4, especially on tuned cars making repeated hard launches.
- Adaptive Damper / Top Mount WearModerate
Stiff suspension, large wheels, and poor UK roads can leave M4s with worn dampers, noisy top mounts, or poor wheel alignment that chews through tyres.
- Convertible Roof Water Ingress / Module RiskModerate
The folding-roof M4 Convertible can suffer from blocked drains, wet boot electronics, or roof-cycle faults if the mechanism has been neglected.
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