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EnginePart report

2012 BMW 128I Engine Problems

Complaints
4about this part
Share
13%of 31 total for the year
Median mileage
79,769miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine of the 2012 BMW 128I, 13% of the 31 complaints for this model year. Where a mileage was given, the median is 79,769 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Due to BMW using plastic parts when you live in Hot and cold environments the plastic begins to mold to other plastic parts and pvc diaphragms tear rather easy causing rough idle , stalls and can cause over revving and send a car into another car while in gear. The cheap plastic cause oil leaks and when oil gets low cause engine failure as well.”

NHTSA complaint #11726596, filed 2026-03

“The contact owns a 2012 BMW 128i. The contact stated after completing an oil change at the dealer and starting the vehicle, the RPM started fluctuating. The contact stated that after coming to a complete stop at a traffic light, the RPM fluctuated rapidly and the vehicle decelerated while driving. The dealer was notified of the failure and advised the contact to take the vehicle back to the dealer for a diagnostic test. The contact was able to drive to the dealer at a slower speed. The dealer diagnosed that the VANOS (Variable Nockenwell Steuerung) system needed to be replaced. …”

NHTSA complaint #11469556, filed 2022-06, 79,769 miles

“Prior to August 2024, this vehicle operated with zero check engine lights or drivetrain faults. In August 2024, BMW of Pittsburgh executed federally mandated Safety Recall 23V-707, which required opening the cylinder head. Immediately following this service, the Check Engine Light began illuminating persistently.On or about October 3, 2024, an independent diagnostic scan at Bobby Rahal BMW pulled BMW Factory Code 002A89: Exhaust VANOS Camshaft Mechanism Fault (Mechanical Sticking/Flow Restriction). …”

NHTSA complaint #11738803, filed 2026-05

“On February 25, 2026, BMW of South Miami performed the VANOS safety recall repair on my vehicle. The repair order documented that VANOS bolts were missing and retrieved from the engine oil pan and that VANOS components were serviced. Within approximately 24–48 hours of picking up the vehicle, the check engine light illuminated and the vehicle began operating abnormally, including rough idle and irregular shifting. The vehicle stored diagnostic fault code P054B (camshaft position timing over-retarded), which directly relates to camshaft timing and the VANOS system involved in the recall repair. …”

NHTSA complaint #11722577, filed 2026-03

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2013411%
2012413%
20111224%
2010523%
2009519%
200816%

Other parts of the 2012 BMW 128I

Air bags
23 complaintsEngine cooling
2 complaintsFuel system
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2012 BMW 128I

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology