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2012 BMW 128i engine problems
moderate
Owners of the 2012 BMW 128i have filed 5 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.See engine across all vehicles →
Of the 5 engine complaints filed for the 2012 BMW 128i,
here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
0 (0%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
1 (100%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
BMW of North America, LLC (BMW) is recalling certain 2008-2013 1 Series Coupe (128i); 2007-2013 3 Series Coupe (328i, 328xi, 328i xDrive); 2007-2010 X3 SAV (X3 3
An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while driving or, soon after driving when parked.
Fix: This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Dealers will install an electrical wiring harness with fuse protection for the PCV Valve heater in potentially affected vehicles, free of charge. This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Vehicles previously repaired under the prior recalls will need to come back for the new recall remedy. The remedy is currently being developed. Interim owner notification letters informing owners of the safety risk were mailed on April 1, 2022. Owner notification letters were mailed on July 22, 2022. Owners may contact BMW customer service at 1-800-525-7417.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented
repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall
(it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service BulletinB110208Sep 2020
Power Reduction, FC2A82 Intake VANOS and/or FC2A87 Exhaust VANOS Camshaft Fault: The ?Service Engine Soon? (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If theignition is cycled, the engine then usually performs normally.
N55 Engine: Various Faults Stored in DME Related to VANOS and Camshaft Position. A rattling noise can be heard from the engine compartment; the engine has a loss of power; and the Service Engine Soon lamp is illuminated. One or more of the following faults may be stored. E70, E71, E82, E88, E90, E92 and E93: 2D5A - VANOS, intake: control fault, camshaft sticking 2D5B - VANOS, intake: control fault, position not reached 2D60 - VANOS, exhaust: control fault, camshaft sticking 2D61 - VANOS, exhaust: control fault, position not reached 2D9F - camshaft input sensor: signal implausible 2DA1 - Camshaft exhaust sensor: signal implausible 300C - Camshaft input sensor: signal high 300D - Camshaft inpu
"Power Reduction, FC 2A82 Intake VANOS and/or FC 2A87 Exhaust VANOS Camshaft Faults are Stored in DME. The ""Service Engine Soon"" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If the ignition is cycled, the engine then usually performs normally. The following faults are stored in the DME: * 2A82 VANOS intake - stiff; jammed mechanically * 2A87 VANOS exhaust - stiff; jammed mechanically * 130108 VANOS intake: control fault, position not reached * 130308 VANOS exhaust: control fault, position not reached For the N54 engine, the following secondary faults may also be
ENGINE CAMSHAFT (VANOS) ADJUSTMENT UNITS: BMW of North America, LLC (ÒBMW NAÓ) is extending the limited warranty for the Camshaft (VANOS) Adjustment Units on certain model BMW vehicles equipped with the non-turbocharged 6-cylinder engine
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting
3 most recent
engine
· filed 07/09/2024
The contact owns a 2012 BMW 128I. The contact received notification of NHTSA Campaign Number: 23V707000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The…
engine · 79,769 mi
· filed 06/16/2022
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…
engine
· filed 06/02/2022
The contact owns a 2012 BMW 128i. The contact received notification of NHTSA Campaign Number: 22V119000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not…
Had engine trouble with your 2012 BMW 128i?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2012 BMW 128i?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 5 complaints filed, engine issues most often appear around 79,769 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
Yes — 1 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2012/BMW/128i.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.