Reliability Report · Multi-Source Data

BMW X5 (2015–2017) Reliability

The BMW X5 (2015–2017) scores 74/100 on our composite reliability index — good territory — drawn from ADAC, DVSA, NHTSA data. The most-flagged failure mode is transfer case (atc450/700) failure, typically surfacing between 100,000 and 200,000 km. Workshop repair runs €1,800–€3,500. In total we track 2 documented issues for this model — ranked by severity below. Estimated used prices span €16,400–€25,700.

Composite Score
74
/ 100
Good
Sources: ADAC · DVSA · NHTSA · latest 2026
Market Snapshot
Listed model years20152017
Est. used price€16,400€25,700
Documented issues2
Listings in catalogue12
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Reliability by Source

Each independent organization measures reliability differently. TÜV reports inspection defect rates by age band. ADAC reports pan-European breakdowns per 1,000 vehicles. NHTSA aggregates US consumer complaints. DVSA MOT data is the UK fleet's annual safety inspection — every car 3+ years old. Lower variance across sources = higher confidence in the composite.

NHTSA (US Complaints)
Model years 2013–2019 · 2026 report · n=304
304 complaints across 3 sampled year(s); resolved model="X5"
View source ↗
52
/ 100
ADAC (European Auto Club)
All model years · 2025 report
5.7/1000 breakdowns
View source ↗
72
/ 100
DVSA MOT (UK Inspections)
Model years 2004–2021 · 2024 report · n=167857
167,857 UK MOT tests · overall 13.7% fail rate vs UK fleet baseline
View source ↗
88
/ 100
DVSA MOT (UK Inspections)
Model years 2003–2020 · 2023 report · n=82334
82,334 UK MOT tests · overall 19.3% fail rate vs UK fleet baseline
View source ↗
79
/ 100

UK MOT Reliability Detail

Based on 167,857 MOT tests in the UK during the 2024reporting period. Score for each age band reflects this model's fail rate vs the UK-fleet baseline fail rate at the same age — a generation-aware metric.

Age 35 yrs
81
8.0% fail vs 10.9% fleet
30,688 tests
Age 69 yrs
91
9.3% fail vs 19.2% fleet
56,630 tests
Age 1014 yrs
93
13.7% fail vs 32.1% fleet
41,937 tests
Age 1520 yrs
85
24.5% fail vs 38.8% fleet
38,602 tests

Most Common MOT Failure Categories

#1
Joints
21,079
28.8%
#2
Condition
17,959
24.6%
#3
Windscreen
15,456
21.1%
#4
Headlamp
11,291
15.4%
#5
Position lamp
7,317
10.0%

Categories ranked across all MOT tests of this model in the UK during the 2024period. "Condition" covers cosmetic / wear issues; suspension and braking dominate the rest.

Known Issues

Specific failure modes documented across European workshops, owner forums, and TSBs. Costs in EUR (and USD reference) reflect typical retail European labor + parts ranges — specialist shops at the low end, dealer pricing at the high end.

Transfer case (ATC450/700) failure
Typical at 100,000200,000 km
E70/F15 xDrive transfer case actuator motor wears, clutch pack chatters, eventually no drive to front axle. Rebuild kits exist; dealer pricing brutal.
€1,800€3,500high
Air suspension bag rupture (rear)
Typical at 90,000180,000 km
E70/F15 rear self-levelling air bags perish; corner sags overnight. Both bags replaced together is best practice.
€600€1,400high

Compare Against Alternatives

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