Your report: 3 of 4 steps complete75%

Car identifiedData collectedBasic analysisFull AI analysis

Finalize now

Free Preview

#BS-2011-BMWZ4-F25A

2011 Bmw Z4

Based on reports from 55 owners and 6 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

130

🟡

Preliminary Verdict

Think Twice

Based on 55 complaints, 2 crashes, 0 fires, and 6 recalls. Complaint rate is 3.3x the class average.

See full verdict with buy/skip conditions

Preview: What's in your full report

Each card shows a real sample from your report — unlock all 10 sections from $1.20

Mechanic Inspection Checklist

!Check the EngineHIGH

17 owners reported engine issues — failures commonly reported around 37K miles.

!Inspect the SteeringMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 30–60K miles (12 reports) • Median: 37K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (17 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine17 (31%)

Steering11 (20%)

Wheels & Tires7 (13%)

Brakes6 (11%)

Suspension2 (4%)

Drivetrain2 (4%)

Tires:pressure Monitoring And Regulating Systems2 (4%)

Fuel System2 (4%)

2011 Bmw Z4: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 31% of all reports filed for the 2011 Bmw Z4, with 17 owners filing complaints with NHTSA. The median mileage at time of complaint is 37,000 miles, suggesting issues tend to surface around the 37K-mile mark.

Steering Issues

Steering complaints account for 20% of all reports filed for the 2011 Bmw Z4, with 11 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.

Wheels & Tires Issues

Wheels & Tires complaints account for 13% of all reports filed for the 2011 Bmw Z4, with 7 owners filing complaints with NHTSA. Owners should pay attention to wheels & tires-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 11% of all reports filed for the 2011 Bmw Z4, with 6 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2011 Bmw Z4. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

Get Report — From $1.20

Recall History (6 recalls)

13V044000Mar 2013

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

BMW is recalling certain model year 2008-2012 1-Series coupes and convertibles manufactured December 2007 through September 2011; and 2007-2011 3-Series coupes and convertibles manufactured March 2007 through October 2011; 2007-2011 3-Series sedans manufactured March 2007 through October 2011; 2007-2011 3-Series sports wagons manufactured March 2007 through June 2011; and 2009-2011 Z4 vehicles manufactured March 2009 through June 2011. In February 2013, BMW recalled 504,545 vehicles. In July 2013, BMW informed the agency that it was adding 1-Series, 3-Series, and Z4 vehicles, representing an additional 12,094 vehicles. The total number of vehicles being recalled is now 516,791. The connector for the positive battery cable connector and the corresponding terminal on the fuse box may degrade over time. Over time, the high current flow and heat from electrical resistance may lead to a breakage of the connection, and a loss of electrical power to the vehicle.

14V176000Sep 2014

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.

17V067000Apr 2017

POWER TRAIN:DRIVELINE:CONSTANT VELOCITY JOINT

BMW of North America, LLC (BMW) is recalling certain 2011-2012 135i Coupe, 1 Series M Coupe and 135i Convertible vehicles, 2011 Z4 sDrive 35i, 335i, 335d, 335i Coupe, 335is Coupe, 335i Convertible, 335is Convertible, 535i, 535i xDrive, 535i Gran Turismo and 550i xDrive Gran Turismo vehicles and 2012 740i and 740Li vehicles. The rear driveshaft constant velocity (CV) joint on the affected vehicles may fatigue and break.

17V683000Jun 2018

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.

22V119000Jul 2022

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.

+ 1 more recall in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

Unlock

2011 Bmw Z4 vs. Class Average (Two Seaters)

This vehicle

Class avg

3.3x the class average — significantly more complaints than typical two seaters vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 55 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 6 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Bmw Z4 Model Years

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002

View all Bmw Z4 years →

2011 Bmw Z4: Frequently Asked Questions

What is the most common problem with the 2011 Bmw Z4?

The most commonly reported issue with the 2011 Bmw Z4 is related to the engine, with 17 complaints filed with NHTSA.

Is the 2011 Bmw Z4 reliable?

The 2011 Bmw Z4 has 55 complaints, 2 crash reports, and 0 fire reports filed with NHTSA. This is 3.3x the class average — higher than typical for its segment.

How much does it cost to fix 2011 Bmw Z4 problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2011 Bmw Z4 have any recalls?

Yes, the 2011 Bmw Z4 has 6 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Bmw Z4 problems start?

Based on 35 complaints with mileage data, the median mileage at time of complaint is 37,000 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.

Get the Full 2011 Bmw Z4 Report

10 sections of AI analysis based on 55 owner reports. Know before you buy.

Get Full Report — From $1.20Money-back guarantee

Instant delivery|One-time purchase|No hidden fees