YearToAvoid

2011 BMW Z4 Engine Problems

NHTSA lists 17 engine complaints for the 2011 BMW Z4, 37% of all 46 complaints filed for the year. Median mileage at failure is 30,000 miles. Four engine-related recalls cover this model year, including VANOS bolt and PCV valve heater repairs.

Engine complaints
17
37% of 46
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
30,000 mi
Related recalls
4

Typical engine symptoms owners report

  • Owners report sudden engine stalling at low speeds, around 25 to 35 mph, sometimes recurring multiple times on the same vehicle.
  • Some describe the engine and all electrical systems shutting off completely while still in gear, with the car needing to be restarted.
  • One owner reported a full engine replacement was required after repeated service visits.
  • Several owners tied to recall 22V119000 or 17V683000 report waiting for repair parts that were unavailable, with the recall repair exceeding a reasonable amount of time.
  • One complaint describes a burning plastic smell and white smoke from the vents while driving around 25 mph, linked to the engine recall.
  • A later complaint describes rough starting and a check engine light tied to recall 14V176000.

When 2011 BMW Z4 engine complaints were filed

First complaint Apr 23, 2013, latest Oct 9, 2024.

2011 BMW Z4 engine complaints: complaints filed per month2Apr 2013Feb 2014Mar 2018Oct 2022Dec 2022Apr 2023May 2024Jul 2024
17 complaints filed with NHTSA from Apr 2013 to Oct 2024; peak Aug 2013 (2).

Engine recalls for the 2011 BMW Z4

  1. NHTSA 23V707000Oct 20, 2023Engine157,796 vehicles

    Engine and engine cooling:engine

    BMW of North America, LLC (BMW) is recalling certain 2010-2012 1 Series Coupe, 1 Series Convertible, 3 Series Sedan, 3 Series Convertible, 2010-2011 3 Series Sportswagon, 3 Series Coupe, 5 Series Sedan, X3 xDrive 28i, X3 xDrive 30i, X5 xDrive30i, and Z4 sDrive30i vehicles. The aluminum bolts that secure the housing for the variable camshaft timing adjustment (VANOS) unit can loosen over time and possibly break.

    Risk: Loose or broken VANOS unit bolts can result in an engine stall, increasing the risk of a crash.

    Remedy: Dealers will replace the four VANOS bolts, free of charge. Interim letters notifying owners of the safety risk are expected to be mailed December 18, 2023. Owner notification letters were mailed June 19, 2024. Owners may contact BMW customer service at 1-800-525-7417.

  2. NHTSA 22V119000Mar 2, 2022Engine917,106 vehicles

    Engine and engine cooling:exhaust system:emission control:crankcase (pcv)

    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 3.0si, X3 xDrive30i); 2008-2013 1 Series Convertible (128i); 2006-2011 3 Series Sedan (325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi); 2006-2012 3 Series Wagon (328i, 328i xDrive); 2007-2013 3 Series Convertible (328i); 2006-2010 5 Series Sedan (525i, 525xi, 528i, 528xi, 530i, 530xi); 2006-2007 5 Series Wagon (530xi); 2007-2010 X5 SAV (X5 3.0si, X5 xDrive30i); 2006-2008 Z4 Coupe (Z4 3.0si); and 2006-2011 Z4 Roadster (Z4 3.0i, Z4 3.0si, Z4 sDrive30i) vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.

    Risk: 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.

    Remedy: 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.

  3. NHTSA 17V683000Oct 30, 2017Engine740,561 vehicles

    Engine and engine cooling:exhaust system:emission control:crankcase (pcv)

    BMW of North America, LLC (BMW) is recalling certain 2008-2011 128i and 2007-2011 328i, 328xi, 328i xDrive, 525i, 525xi, 528i, 528xi, 530i, 530xi, X3 3.0si, X3 xDrive30i, X5 xDrive30i, Z4 3.0i, Z4 3.0si and Z4 sDrive30i vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.

    Risk: An electrical short can cause the parts within the PCV valve to melt, increasing the risk of a fire, even when the vehicle is not in use.

    Remedy: BMW will notify owners, and dealers will replace the PCV valve heater, free of charge. Interim letters were mailed on November 27, 2017. Owners will receive a second notification by the end of October 2018. Owners may contact BMW customer service at 1-800-525-7417.

  4. NHTSA 14V176000Apr 10, 2014Engine156,137 vehicles

    Engine and engine cooling:engine

    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. In the affected vehicles, the bolts that secure the housing for the variable camshaft timing adjustment (VANOS) unit can loosen over time and may possibly break.

    Risk: If the bolts loosen or break the engine may have reduced power or stall. An engine stall increases the risk of a crash.

    Remedy: 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.

Engine complaints by Z4 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20104 (40%)
  2. 201117 (37%)
  3. 20124 (80%)
  4. 20131 (14%)
  5. 20142 (29%)
  6. 20153 (60%)
  7. 20162 (50%)
  8. 20192 (40%)
  9. 20202 (40%)
  10. 20210 (0%)
  11. 20220 (0%)
  12. 20230 (0%)

Frequently asked questions

How common are engine problems in the 2011 BMW Z4?
NHTSA lists 17 engine complaints for the 2011 Z4, which is 37% of all 46 complaints filed for that model year.
At what mileage do 2011 BMW Z4 engine problems typically show up?
The median mileage at failure reported to NHTSA for this engine issue is 30,000 miles.
Is there a recall for the 2011 BMW Z4 engine?
Yes. NHTSA lists four engine-related recalls covering the 2011 Z4: campaigns 23V707000, 22V119000, 17V683000, and 14V176000, addressing VANOS bolts, a PCV valve heater, and related wiring.
Did the 2011 BMW Z4 engine complaints involve crashes or fires?
No. NHTSA data shows 0 crashes and 0 fires among the reported engine complaints for this model year.
How does the 2011 Z4 compare to other Z4 years for engine complaints?
The 2011 Z4's 37% engine complaint share is close to 2010's 40% and lower than 2012's 80%, based on NHTSA's this_area_by_model_year data.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.