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2012 bmw 135i engine problems
moderate 4 complaints filed with NHTSA
· avg repair $3,100
Complaints
4
Recalls
1
Crashes
0
Avg fix
$3,100
Related recalls
severeNHTSA 14V17600010/04/2014
BMW of North America, LLC (BMW) is recalling certain model year 2010-2011 128i Coupe, 128i Convertible, 328i Sedan, 328i xDrive Sedan, 328i Coupe, 328i Convertible, 328i Sports Wagon and Z4 sDrive 30i, 2011-2012 135i Coupe, 135i Convertible, 335i Sedan, X5 xDrive 35i, and X6 xDrive 35i, 2011 335i xDrive Sedan, 335i Coupe, 335i Convertible, 528i Sedan, 535i Sedan, 535i xDrive Sedan, X3 xDrive 28i, and X3 xDrive 35i, 2010 X3 xDrive 30i, and X5 xDrive 30i, 2012 640i Coupe, and 640i Convertible and 2010-2012 535i Gran Turismo vehicles
If the bolts loosen or break the engine may have reduced power or stall. An engine stall increases the risk of a crash.
Fix: BMW will notify owners, and dealers will replace the four VANOS housing bolts for both VANOS units (intake and exhaust), free of charge. In addition, owners of approximately 170,172 model year 2010-2012 BMW vehicles equipped with inline 6 cylinder engines not covered by this recall, will receive an extended warranty to address this condition. The recall began on September 24, 2014. Owners may contact BMW at 1-800-525-7417.
What owners are reporting
4 most recent
engine
· filed 06/26/2019
VEHICLE ALMOST STALLS WHEN ACCELERATING FROM A STOP. VEHICLE WILL ALSO SURGE FORWARD WHEN VEHICLE COMES TO A STOP. BOTH ISSUES ARE WORSENED WHEN THE TEMPERATURE IS WARM OUTSIDE AND THE AIR CONDITIONING IS ON. HAVE TAKEN VEHICLE TO THE BMW DEALER SEVERAL TIMES TO CORRECT, BUT THEY NEVER FIND ANYTHING WRONG.
engine
· filed 06/13/2014
I HAVE BROUGHT MY CAR INTO SCHOMP BMW TWICE FOR THIS ISSUE, THE LATEST BEING LAST WEEK TELLING THEM I BELIEVE THERE IS A RECALL FOR MY VEHICLE AND IT FEELS AS IF IT WILL STALL AS I AM TURNING A CORNER OR STOPPED AND BEGIN ACCELERATING. THEY SHOWED NO RECALL AND HOOKED MY CAR UP TO COMPUTER AND NO CODES CAME BACK WITH ANY ISSUES. I AM REALLY SCARED THAT MY CAR WILL STALL IN THE MIDDLE OF TURNING …
engine
· filed 05/12/2023
Continuing coolant problems, engine shut off going down the hwy bc overheated////engine not secure-moves around literally/////camshaft timing position sensor code. On Dec 24th I purchased a 2012 BMW 135i convertible from Alboet Motor Sports on Pass Rd in Gulfport, MS. Before I went I specifically asked if the car had any mechanical or cosmetic damage and [XXX] lied and said nothing was wrong. …
engine
· filed 02/04/2020
WHEN I HAD FEWER THAN 50K MILES, MY THERMOSTAT BROKE SUDDENLY WHILE I WAS DRIVING. I HAD NO PREVIOUS ISSUES OR WARNING LIGHTS. SINCE THAT REPAIR, I HAVE HAD 2 COOLANT LEAKS, AND ONE RELATED PIPE CRACK. THIS WEEK, I HAD AIR IN MY COOLANT SYSTEM AND HAD TO HAVE IT DRAINED. THESE ALL APPEAR TO BE RELATED.
Common questions
How serious is the engine problem on the 2012 bmw 135i?
It's a documented issue but not catastrophic. 4 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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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. 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.
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