2012 BMW X5 Engine Problems
NHTSA component category: ENGINE · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine ranks on this vehicle
Share of the 271 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 BMW X5 overview page.
What owners report
“THE CONTACT OWNS A 2012 BMW X5. WHILE DRIVING 20 MPH, THE VEHICLE FAILED TO ACCELERATE AND THE CHECK ENGINE INDICATOR ILLUMINATED. IN ADDITION, A…”NHTSA complaint 11005387 — filed 07/14/2017
“SCR CATALYTIC CONVERTER FAILURE AND NOX SENSOR FAILURE IN DIESEL EXHAUST SYSTEM ON A 54,1XX MILE VEHICLE -- MUCH TOO EARLY FOR THESE SYSTEMS TO…”NHTSA complaint 10985993 — filed 05/16/2017
“THE EGR COOLER WAS DISCOVERED TO BE LEAKING HARMFUL EXHAUST UNDERNEATH THE VEHICLE. THIS HARMFUL EXHAUST COULD EVENTUALLY BE BREATHED IN WHILE THE ENGINE IS…”NHTSA complaint 10925462 — filed 11/10/2016
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine complaints by year filed
Frequently asked questions
Does the 2012 BMW X5 have engine problems?
Engine is the most-reported problem area on the 2012 BMW X5: 92 of 271 complaints on file (33.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 BMW X5 have in total?
271 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 4 involved a crash, 10 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's engine category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.