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BMW: reliability & common problems

#18 of 24
Longevity rank#1 Tesla holds up to ~177k
~110k
Trouble-free mileageacross all body styles
304
BMWs inspectedreal pre-purchase inspections
65/100
Average conditionall cars we check: 61/100



Based on 304 used BMWs we inspected, they tend to be in slightly better shape than average — average condition 65/100 vs 61 for all cars we check. Every number on this page comes from real pre-purchase inspections — cars people were about to buy and paid an independent inspector to go through point by point, engine to underbody, paint depth to error codes. Not owner surveys, not warranty statistics, not forum lore: what we actually found.

What we found

Most common faults

Oil leaks · Engine
56%
Active error codes · Electronic equipment
41%
Tires condition & wear · Brakes and tires
35%
Low coolant / cooling system issues · Engine
27%
Electronic components issues · Engine
18%

Share of inspected BMWs where each item was flagged.

How they score

Excellent 24% Good 40% Mediocre 31% Poor 5%
Hidden history

What the seller might not mention — how often we find it on BMWs.

73%had a repainted or replaced panelall cars: 75%
2%showed structural repairall cars: 4%
27%had fault codes recently clearedall cars: 23%

Compare with another brand:

Cross-shopping? BMW vs Lexus · BMW vs Mercedes · BMW vs Audi

How long does a BMW last?

Across every BMW body style we've inspected — sedans, SUVs and anything else pooled together — the average one's condition dips below decent (a 55/100 score) around ~110k miles. It ranks BMW #18 of 24 brands we have enough data to rate; the longest-lasting, Tesla, holds up to ~177k. Shopping a BMW near that mileage? Expect more wear ahead — see which makes give the best odds at your budget.



Good cars by mileage
0 25 50 75 100 0–20k mi: 97% in good shape (31 cars) 20–40k mi: 98% in good shape (54 cars) 40–60k mi: 85% in good shape (48 cars) 60–80k mi: 60% in good shape (47 cars) 80–100k mi: 45% in good shape (49 cars) 100–120k mi: 41% in good shape (32 cars) 120–140k mi: 19% in good shape (21 cars) 140–160k mi: 17% in good shape (12 cars) 40k 80k 120k 160k 200k mileage when we inspected it
Good cars by age
0 25 50 75 100 1 years old: 100% in good shape (12 cars) 2 years old: 96% in good shape (26 cars) 3 years old: 93% in good shape (14 cars) 4 years old: 100% in good shape (26 cars) 5 years old: 92% in good shape (26 cars) 6 years old: 72% in good shape (29 cars) 7 years old: 60% in good shape (20 cars) 8 years old: 54% in good shape (26 cars) 9 years old: 50% in good shape (18 cars) 10 years old: 59% in good shape (17 cars) 11 years old: 33% in good shape (18 cars) 12 years old: 35% in good shape (17 cars) 13 years old: 0% in good shape (7 cars) 14 years old: 38% in good shape (8 cars) 15 years old: 10% in good shape (10 cars) 2y 4y 6y 8y 10y 12y 14y 16y vehicle age when we inspected it

Share of BMWs in good shape (scoring 60+/100) by mileage and by age when we inspected them (each dot ≥5 cars; rolled-back odometers excluded from the mileage curve). The dashed grey curve is all cars we check.

Is BMW getting better?
▬ Consistent across generations 40% 60% 80% 2012–14: 67% in good shape (age-adjusted; 34 cars, raw 68%) 67 2015–17: 64% in good shape (age-adjusted; 46 cars, raw 63%) 64 2018+: 73% in good shape (age-adjusted; 42 cars, raw 81%) 73 2009–11 2012–14 2015–17 2018+

Share of BMWs in good shape (60+/100) when inspected at the same age — 5–10 years old, age-adjusted — by model-year generation; the dashed line is the all-brand average. Compare every brand's trajectory →



BMW models we've inspected
4 Series 29 cars · 79% good X5 31 cars · 61% good 3 Series 64 cars · 47% good 5 Series 26 cars · 43% good X3 24 cars · profile soon M3 16 cars · profile soon X1 10 cars · profile soon

Recently inspected:

2021 BMW 330i · 88k mi — flagged: fault codes recently cleared, fuel trim out of range, digital engine electronics. Inspected Jul 31.
2018 BMW 330i · 81k mi — flagged: low coolant / cooling system issues, dirty or low engine oil, battery condition. Inspected Jul 25.
The bottom line

BMW buyers need to zero in on the engine bay right away because oil leaks show up constantly and cooling problems aren't far behind, plus electronics throw codes often enough to demand a full scan. These cars start slipping below decent shape around 110,000 miles, so anything near that mark deserves extra scrutiny on those same systems. Stick to the 2018 and newer ones if you can—they hold up better age-adjusted than the mid-2010s cars. A clean bill on leaks and codes is your green light; otherwise use the findings to push the price down hard or walk.

FAQ
?
Is BMW reliable?
64% of the 304 BMWs we inspected scored 60/100 or higher, averaging 65/100 — they tend to be in slightly better shape than average.
?
What are the most common problems with a used BMW?
Across the BMWs we inspected, the items we flag most often are oil leaks (56%), active error codes (41%), tires condition & wear (35%).
?
Are newer BMWs more reliable than older ones?
About the same — comparing generations at the same age (5–10 years old), BMW's share of cars in good shape has stayed consistent.
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Based on 304 inspections · updated Aug 1, 2026