What are the common problems with the 2012 BMW 135I?
Owners of the 2012 BMW 135I have filed 19 complaints with NHTSA, most often about the engine (10) and the powertrain (6). In NHTSA's complaints file of November 11, 2026, 15 of them list a mileage; a complaint is an owner's report, not a proven defect.
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See what the paid report includes →NHTSA's file holds 19 owner complaints on the 2012 BMW 135I. Owners named the engine most often: 10 complaints, and half of the 9 that list a mileage came after 39,000 miles. A complaint can name more than one component. None of the 19 complaints reports a crash, a fire or an injury.
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Common problems with the 2012 BMW 135I
NHTSA's file holds 19 owner complaints on the 2012 BMW 135I. Owners named the engine most often: 10 complaints, and half of the 9 that list a mileage came after 39,000 miles. A complaint can name more than one component.
| Component (NHTSA category) | Complaints | Listing mileage | Median mileage |
|---|---|---|---|
| Engine | 10 | 9 | 40,000 |
| Power Train | 6 | 6 | 6,000 |
| Fuel/propulsion System | 5 | 5 | 55,000 |
| Air Bags | 4 | 1 | Under 5 mileages |
| Electrical System | 3 | 3 | Under 5 mileages |
None of the 19 complaints reports a crash, a fire or an injury.
Mileage when owners reported a problem with the 2012 BMW 135I
The 15 mileages owners gave run from 600 to 75,000 miles, and half are at or under 50,000. With fewer than 20 mileages this page gives the median only: the other percentiles are too few to say. None came after 100,000 miles, none after 150,000 and none after 200,000.
These mileages say when owners reported a problem, not when a 2012 BMW 135I wears out. NHTSA's file holds only vehicles whose owners complained; one that ran without a problem never appears in it, so it gives no lifespan and no cutoff, and how a vehicle was maintained matters more than any one odometer reading.
Most of these reports came early in the vehicle's life: all 15 came at or under 100,000 miles, so they say nothing about how many miles a 2012 BMW 135I can cover.
| Measure | Value |
|---|---|
| Lowest mileage listed | 600 miles |
| 25th percentile | Too few to say |
| Median (50th percentile) | 50,000 miles |
| 75th percentile | Too few to say |
| 90th percentile | Too few to say |
| Highest mileage listed | 75,000 miles |
| Complaints after 100,000 miles | none |
| Complaints after 150,000 miles | none |
| Complaints after 200,000 miles | none |
Is the 2012 BMW 135I a good year?
Complaint counts cannot say whether the 2012 is a good or a bad BMW 135I: they rise with how many were sold and how long they have been on the road. They show how the 2012 compares with the other model years in NHTSA's file.
With 19 complaints, the 2012 ranks 4th of the 6 BMW 135I model years from 2008 to 2013 with 10 or more complaints, counting from the most. The most: the 2008 (51). The fewest: the 2013 (12).
Recent model years have had less time to collect complaints, so their counts are still growing. No year is ranked by mileage here, because a year's median mileage mostly follows its age.
| Model year | Owner complaints | Listing mileage | Median mileage |
|---|---|---|---|
| 2008 BMW 135I | 51 | 43 | 42,000 |
| 2009 BMW 135I | 29 | 25 | 9,000 |
| 2010 BMW 135I | 15 | 14 | 7,500 |
| 2011 BMW 135I | 27 | 18 | 56,900 |
| 2012 (this page) | 19 | 15 | 50,000 |
| 2013 BMW 135I | 12 | 5 | Under 10 mileages |
2012 BMW 135I recalls
NHTSA's recall files of November 11, 2026 list 6 recall campaigns that name the 2012 BMW 135I. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.
| Campaign | Report received | Component |
|---|---|---|
| 20V017000 | Jan 15, 2020 | AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE |
| 19V579000 | Aug 6, 2019 | ELECTRICAL SYSTEM:WIRING |
| 17V067000 | Feb 2, 2017 | POWER TRAIN:DRIVELINE:CONSTANT VELOCITY JOINT |
| 16V071000 | Feb 5, 2016 | AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE |
| 14V176000 | Apr 10, 2014 | ENGINE AND ENGINE COOLING:ENGINE |
What these figures can and cannot tell you
- Complaints are owners’ reports to NHTSA. NHTSA publishes them without verifying them: a complaint is an allegation, not a defect finding.
- The mileage is what the owner wrote on the complaint; NHTSA does not check it against the odometer.
- The make, model and model year are the ones on the complaint. NHTSA records them as filed, so a few complaints sit under a model year the name was not sold in.
- They are not a lifespan study. The file holds only vehicles whose owners reported a problem, so these figures do not say how long a typical 2012 BMW 135I lasts.
- A complaint count rises with how many vehicles were sold and how long they have been on the road, so it is not a rating of the 2012 BMW 135I.
- Nothing here describes one vehicle: its title brands, odometer readings, accidents and open recalls are in the records for its own VIN.
- 4 of the 19 complaints on the 2012 BMW 135I give no usable mileage (blank, zero, a filler such as 999999, or over 500,000) and are left out of every mileage figure.
- NHTSA name counted: 135I. NHTSA files some vehicles under several names (a series name and a trim name, for example); this page counts only this one.
- Recall-file name matched: 135I.
Primary sources behind this page
Open the underlying public source and verify that its scope matches the question you are asking.
- NHTSA complaints flat file (FLAT_CMPL.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Complaints file field layout (CMPL.txt)National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_PRE_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- NHTSA recalls flat file (FLAT_RCL_POST_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
- Recalls file field layout (RCL.txt)National Highway Traffic Safety Administration
- NHTSA recall and complaint datasets: scope and documentationNational Highway Traffic Safety Administration
- Recalls Lookup by VINNational Highway Traffic Safety Administration
NHTSA’s complaints file was downloaded on November 11, 2026 (FLAT_CMPL.txt, dated 2026-11-11 10:15, 2,265,416 rows), with its recall files (FLAT_RCL_PRE_2010.txt and FLAT_RCL_POST_2010.txt, dated 2026-11-11 08:02). Each complaint is counted once, by its NHTSA number, with the model year and mileage of its first row; a model year has a page only with 10 or more complaints. The collection script and its rules are in scripts/collect-nhtsa-model-year-longtail.mjs.
2012 BMW 135I questions
What are the most common 2012 BMW 135I problems?
NHTSA's file holds 19 owner complaints on the 2012 BMW 135I. Owners named the engine most often: 10 complaints, and half of the 9 that list a mileage came after 39,000 miles. A complaint can name more than one component. None of the 19 complaints reports a crash, a fire or an injury.
At what mileage do owners report problems with the 2012 BMW 135I?
Of the 15 complaints on the 2012 BMW 135I that list mileage, half came after 49,000 miles; none came after 100,000 miles, none after 150,000 and none after 200,000. With fewer than 20 mileages, the median is the only percentile given. These are mileages at a reported problem; they do not say how many miles a 2012 BMW 135I can cover.
Is the 2012 BMW 135I a good year?
Complaint counts cannot say whether the 2012 is a good or a bad BMW 135I: they rise with how many were sold and how long they have been on the road. They show how the 2012 compares with the other model years in NHTSA's file. With 19 complaints, the 2012 ranks 4th of the 6 BMW 135I model years from 2008 to 2013 with 10 or more complaints, counting from the most. The most: the 2008 (51). The fewest: the 2013 (12).
How many recalls does the 2012 BMW 135I have?
NHTSA's recall files of November 11, 2026 list 6 recall campaigns that name the 2012 BMW 135I. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.
How do I check a used 2012 BMW 135I before buying?
Take the 17-character VIN from the vehicle and compare the odometer with the readings on file for it: title transfers, inspections and auction sales record the mileage on the day. VIN Lookup (free-vin-lookup.com) sells the original ClearVIN PDF for $14.99 (3 reports for $29.99, 5 for $44.99): odometer readings, title brands and auction records on file for the VIN. Check the VIN before buying a used 2012 BMW 135I.