BMW 7 Series G70: common faults & what to check

You're looking at the G70

Everything below is narrowed to this variant. Pick a different one to change it.

2022–nowG70 Selected2022–nowG70Engine not documented for this generationEngine not documentedDocumented issues6 knownSee faults & what to checkPhoto: Chanokchon via Wikimedia Commons, CC BY-SA 4.0.

Now narrow it to the engine

A 1.8 and a 2.4 of the same car do not fail the same way, so the faults below narrow to the engine as well as the year. Free, no account needed.

Start your free check on this BMW 7 Series

No plate needed. You get the risk score, the buyer's checklist and the guided inspection for the exact car you picked above — not the whole nameplate.

The checks worth doing on a BMW 7 Series before you hand over any money. Every documented fault is listed below, each with its own page.

• Serious issue

  Inspect ride height visually at all four corners — any low corner indicates a failed strut.

  See why

  Air Suspension Strut Bladder Failure and Compressor Burn-Out

  The F01/F02 and G11/G12 7 Series use four-corner air suspension (Electronic Damper Control) as standard. Air spring bladders degrade from ozone, UV exposure, and heat cycling — F01s are now 10-18 years old in the NZ/AU market, making strut failure essentially expected. The air compressor overworks to compensate for leaking struts and burns out. Single-strut failures are common, but compressor burn-out often follows shortly if the leaking strut is not addressed first. A failed air suspension defaults to bump-stop ride height and is a fail-WOF condition in NZ. Conversion to passive coilovers is a common but handling-compromising workaround.

  What you would notice

  • Vehicle sitting lower than normal on one corner or overall
  • Raise Vehicle or suspension fault warning on iDrive display
  • Visible lean or uneven ride height when parked on flat ground
  • Air compressor audible cycling repeatedly after startup
  • Harsh ride with no damping adjustment response

  Typically $1,200–$7,500 to put right.

• Costly issue

  Park on level ground and compare all four corner heights.

  See why

  Front Air Suspension Strut Failure Causing Nose Drop

  Both the F01 and G11 7 Series use front air suspension struts as standard. The air bellow rubber sleeve degrades from ozone exposure, heat cycling, and UV hardening, leading to cracking and progressive air loss. A failed strut causes the front corner to slowly or suddenly drop, triggering ride height warnings on the iDrive display. Failure can be gradual with the nose dropping overnight or sudden with immediate nose drop while driving. The air compressor may run continuously trying to maintain height, accelerating its own premature failure. The electronic height sensors can also fail independently producing false warnings.

  What you would notice

  • Nose drops overnight or after the car sits for several hours
  • Vehicle sitting noticeably lower at one front corner when parked
  • Ride height warning on iDrive with SPORT or LOW indicator
  • Air compressor audible cycling frequently while car is stationary
  • Harsh low-speed ride from a deflated or exhausted strut

  Typically $2,500–$6,000 to put right.

• Costly issue

  Inspect the rear subframe area below the car for water ingress near the actuator housing.

  See why

  Integral Active Steering Rear Actuator Failure EPS Fault

  The G11/G12 7 Series Integral Active Steering system steers the rear wheels by up to 3 degrees via an electromechanical rear axle actuator. The actuator contains a brushless motor, worm drive, and position sensor assembly prone to moisture ingress through failed internal seals causing winding degradation and control unit faults. A failed actuator triggers an EPS warning and disables rear steering, altering handling characteristics. In some failure modes the rear wheels may be left at a residual non-zero steer angle. Replacement actuators are only available as an assembly and require full rear alignment after fitting.

  What you would notice

  • EPS or steering warning illuminated on the instrument cluster
  • Yellow or red steering system warning light active
  • Fault codes stored for rear axle steering actuator position or motor circuit faults
  • Handling feels less planted or tail feels loose at motorway speeds
  • Low-speed manoeuvring radius feels larger than expected

  Typically $4,500–$9,000 to put right.

BMW 7 Series service schedule

The 2 engines a 2023 BMW 7 Series was sold with, each with its own intervals. Pick your engine above to narrow this to one. These are the model’s intervals — the car’s own service book is the only thing that can tell you what has actually been done to it.

What these repairs cost on other cars

Some of the BMW 7 Series’s documented faults are repairs other models share. Each page lists the documented NZ cost for every model it affects.

• Timing Chain Replacement Cost

Other BMW models