BMW 7 Series Common Faults

50
Fault Reports
25
Solved
9
Model Years
📖 How to Use This Page

Every figure below comes from owner-submitted fault reports for this exact model — not a manufacturer spec sheet. Jump to any section, or scroll through for the full picture before buying or diagnosing a problem.

📊 Data Score 📋 Overview 🔍 Reliability 🗂️ Problem Categories 💰 Repair Costs 💡 Buying Advice 🔧 Full Fault List ❓ FAQ

📊 BMW 7 Series Data Score

Reliability Score
55/100
Average
Resolution Rate
50%
25 of 50 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
10 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 50 reported cases. It reflects our database only, not a manufacturer or third-party rating.

📋 Most Reported Problems

🗂️ Problem Categories

Which vehicle systems generate the most reports for the BMW 7 Series, based on all 50 cases on this page.

Engine
12 (24%)
Other
7 (14%)
Suspension
6 (12%)
Electrical
6 (12%)
Fuel System
5 (10%)
Transmission
4 (8%)
Exhaust
3 (6%)
Brakes
3 (6%)
Body/Interior
3 (6%)
Cooling
1 (2%)

🛠️ High maintenance complexity — issues span 10 different systems, with an average reported repair cost of $1,171. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
50
25 with confirmed fix
Est. Repair Cost
$1,171
avg · $375–$2150 range
Fix Rate
50%
of reported faults solved

Real-world BMW 7 Series fault data from 50 driver reports. Documented issues include BMW 7 Series 2017 Transmission slipping between gears, BMW 7 Series 2013 Wheel bearing humming noise while driving, BMW 7 Series 2018 Engine overheating temperature gauge high, BMW 7 Series 2017 Car wont start clicking sound and BMW 7 Series 2014 Wheel bearing humming noise while driving. The majority have verified fixes.

📋 BMW 7 Series Overview

The BMW 7 Series has 50 owner-reported faults recorded on MyCarFault. Documented issues include BMW 7 Series 2017 Transmission slipping between gears, BMW 7 Series 2013 Wheel bearing humming noise while driving, BMW 7 Series 2018 Engine overheating temperature gauge high, BMW 7 Series 2017 Car wont start clicking sound, and BMW 7 Series 2014 Wheel bearing humming noise while driving.

50% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $375 to $2150, with an average of $1,171 USD. Costs vary by fault type, garage type, and parts availability in your region.

With 50 reported faults, BMW 7 Series owners should factor maintenance planning into their ownership budget. Regular servicing and early diagnosis of known issues significantly reduces long-term costs.

🔍 Reliability Snapshot

Fault Reports
50
Verified Fixes
25
Est. Repair Cost
$1,171
Most Common Issue
BMW 7 Series 2017 Transmission slipping …
Owner Confidence
Moderate

💰 Repair Cost Insight

Based on 50 owner-reported BMW 7 Series fault cases where cost data was provided:

Average Cost
$1,171
Lowest Estimate
$375
Highest Estimate
$2,150

Estimates are owner-reported and vary by region, garage type, and parts availability. Independent specialists typically charge 30–50% less than main dealers for the same repair.

💡 Should You Buy a Used BMW 7 Series?

Reports on File
50
Resolution Rate
50%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used BMW 7 Series? Here is what our fault data suggests.

The BMW 7 Series has a significant number of community-reported faults. This does not necessarily mean the car is unreliable — high fault counts often reflect high ownership numbers. Focus on whether the known issues on this page have been addressed on the specific car you are viewing.

The most reported issue is "BMW 7 Series 2017 Transmission slipping between gears". Ask the seller specifically about this before committing to a purchase, and have an independent mechanic check for it during a pre-purchase inspection.

An independent pre-purchase inspection (PPI) is strongly recommended regardless of the seller's assurances or the car's service history.

❓ Common Questions About the BMW 7 Series

YEAR: All 2021 2019 2018 2017 2015 2014 2013 2008 2002

🔧 Reported Faults


🟢
BMW 7 Series 2017 Transmission slipping between gears
2017
1 fix
👁 2,244
🟢
BMW 7 Series 2013 Wheel bearing humming noise while driving
2013
1 fix
👁 1,615
🟢
BMW 7 Series 2018 Engine overheating temperature gauge high
2018
1 fix
👁 1,358
🟢
BMW 7 Series 2017 Car wont start clicking sound
2017
1 fix
👁 1,356
🟢
BMW 7 Series 2014 Wheel bearing humming noise while driving
2014
1 fix
👁 1,269
🟢
BMW 7 Series 2015 P0300 random misfire rough idle
P0300 2015
1 fix
👁 1,264
🟢
BMW 7 Series 2013 ABS warning light on
2013
1 fix
👁 1,235
🟢
BMW 7 Series 2018 ABS warning light on
2018
1 fix
👁 1,190
🟢
BMW 7 Series 2015 Front suspension clunking over bumps
2015 💰 $150–$1200 USD
1 fix
👁 1,185
🟢
BMW 7 Series 2017 Engine oil leak from valve cover
2017
1 fix
👁 1,178
🟢
BMW 7 Series 2018 Catalytic converter P0420 code
P0420 2018 💰 $200–$1500 USD
1 fix
👁 1,143
🟢
BMW 7 Series 2015 Brake pads worn squealing noise
2015 💰 $150–$600 USD
1 fix
👁 1,106
🟢
BMW 7 Series 2017 Battery draining overnight parasitic drain
2017
1 fix
👁 1,086
🟢
BMW 7 Series 2021 Engine oil leak from valve cover
2021
1 fix
👁 1,060
🟢
BMW 7 Series 2013 AC not blowing cold air compressor issue
2013
1 fix
👁 1,041
🟢
BMW 7 Series 2014 air suspension corner sagging
2014 💰 $400–$3000 USD
1 fix
👁 1,030
🟢
BMW 7 Series 2021 Coolant leak from engine area
2021
1 fix
👁 936
🟢
BMW 7 Series 2014 CVT transmission shudder and jerking
2014 💰 $150–$4000 USD
1 fix
👁 852
🟢
BMW 7 Series 2013 Timing chain rattle on cold start
2013 💰 $800–$3500 USD
1 fix
👁 804
🟢
BMW 7 Series 2018 Exhaust rattle noise from underneath
2018
1 fix
👁 794
🟢
BMW 7 Series 2014 Fuel economy dropped poor MPG
2014
1 fix
👁 793
🟢
BMW 7 Series 2021 Fuel economy dropped poor MPG
2021
1 fix
👁 561
🟢
BMW 7 Series 2014 Brake pads worn squealing noise
2014 💰 $150–$600 USD
1 fix
👁 547
🟢
BMW 7 Series 2015 Engine oil leak from valve cover
2015
1 fix
👁 485
🟢
BMW 7 Series 2021 Exhaust rattle noise from underneath
2021
1 fix
👁 395
BMW 730d Swirl Flap Actuator Failure — P2015
2002 Medium
👁 69
BMW 730d Turbocharger Shaft Seal Failure — Blue Smoke
2002 High
👁 63
BMW 730d Oil Cooler Matrix Failure — Coolant Contamination
2002 High
👁 61
BMW 730d M57 Timing Chain Rattle on Cold Start
2002 High
👁 56
BMW 730d Front Air Spring Failure — Corner Sag
2002 High
👁 56
BMW 730d Air Suspension Compressor Failure
2002 Medium
👁 55
BMW 730Ld Transfer Case Oil Leak
2002 Medium
👁 53
BMW 730d MAF Sensor Failure — Rough Running
2002 Medium
👁 52
BMW 730d ZF 6HP26 Mechatronics Failure
2002 High
👁 52
BMW 730d Central Locking Failure — Deadlock Not Working
2002 Medium
👁 52
BMW 730d Variable Geometry Turbo Vane Sticking
2002 Medium
👁 48
BMW 730d Window Regulator Cable Failure
2002 Low
👁 47
BMW 730d Heater Matrix Leak — Steam From Vents
2002 High
👁 46
BMW 730d High Pressure Fuel Pump Failure
2002 High
👁 45
BMW 730d DPF Blocking — Power Loss and Warning Light
2002 Medium
👁 45
BMW 730d Torque Converter Shudder at Motorway Speed
2002 Medium
👁 45
BMW 730d Water Pump Failure — Overheating
2002 High
👁 45
BMW 730d EGR Valve Carbon Fouling — Limp Mode
2002 Medium
👁 44
BMW 730d Automatic Gearbox Harsh Shifting — Fluid Degradation
2002 Medium
👁 42
BMW 730d Footwell Module FRM Failure
2002 Medium
👁 42
BMW 730d Injector Return Pipe Leak — Fuel Smell
2002 Medium
👁 41
BMW 730d Injector Copper Seal Leak — Diesel in Oil
2002 High
👁 41
BMW 730d Sunroof Drain Blockage — Water in Footwell
2002 Medium
👁 41
BMW 730d Brake Servo Vacuum Pump Failure
2002 High
👁 41
BMW 730d Integral Link Rear Suspension Bush Wear
2002 Medium
👁 40

🚗 Drivers Also Viewed

BMW 3 Series 33 faults → BMW 1 Series 26 faults → BMW 5 Series 25 faults → BMW X3 25 faults → BMW X5 25 faults →

Own a BMW 7 Series?

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🩺 Common Symptoms
Engine oil leak from valve cover Wheel bearing humming noise while driving ABS warning light on Brake pads worn — squealing noise Timing chain rattle on cold start Exhaust rattle noise from underneath
🔢 Common OBD Codes
P0300 P0420
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