AI Damage2021 BMW Z4: common problems
Owners of the 2021 BMW Z4 filed 1 complaints with NHTSA. The maker issued 115 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 1
- Technical service bulletins (TSB)
- 115
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · turbo · 4 cyl
- 3 L · petrol · turbo · 6 cyl
- automatic, 8-speed
Drive: RWD
Symptoms owners describe
How many of the 1 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 60 |
| Electrical system | 0 | 0 | 43 |
| Structure | 0 | 0 | 9 |
| Steering | 0 | 0 | 8 |
| Visibility | 0 | 0 | 8 |
| Engine | 0 | 0 | 6 |
| Engine and cooling | 0 | 0 | 5 |
| Backover prevention | 0 | 0 | 4 |
| Fuel system | 0 | 0 | 4 |
| Seats | 0 | 0 | 4 |
| Exterior lighting | 0 | 0 | 3 |
| Lane departure | 0 | 0 | 3 |
| Suspension | 0 | 0 | 3 |
| Powertrain | 0 | 0 | 2 |
Comparison
By complaint count this model year ranks 1,964 of 2,102 model years in the NHTSA data (among the 7% least complained about).
On average one model year of the Z4 has 2 complaints (7 years in the data). This year has 1, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been…
The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
- While driving on an uneven road, a “clicking”sound is heard from the front bow/cowl panelarea of the…
- The convertible top does not open or close
- An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in…
An interference noise (groaning noise) can be heard from within the heating and air-conditioning unit in thecenter of the instrument panel. The groaning noise always occurs when either a ventilation flap, air…
- The basic conditions for initializing the power windows are not met
- The Central Information Display goes black intermittently due to resets of the Head Unit (HU-H3)
FaultB7F8F9 ÃÂâÃÂÃÂÃÂàÃÂâÃÂÃÂÃÂÃÂHU-H: ResetÃÂâÃÂÃÂÃÂàwill be stored in the HU-H3.
- The electrical system of BMW vehicles has been subject to an ongoing development process over the last few…
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important…
- At low outside temperatures (below 40 degrees F) and slow driving speeds (i.e
when parking, maneuvering)with a large steering angle, the front end can be slightly axially misaligned. This can be felt (jerking)/ heard via an acoustic acknowledgement (clunk) as seen at the 11 second mark of the…
- A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP)…
A vehicle arrives at your center to be diagnosed for a micro-leak in the fuel evaporative (EVAP) system(NVLD natural vacuum leak detection). For this condition, the following fault is stored in the DME: 190302 - fuel…
- ?The outer A-pillar trim panel (arrow) protrudes outward (circled) towards the cowl seal
- BMW AG has issued a Delivery Stop (effective February 9, 2023) on certain Model Year 2022 - 2023 BMW…
BMW AG has issued a Delivery Stop (effective February 9, 2023) on certain Model Year 2022 - 2023 BMW vehicles that were produced between June 29, 2022 and February 16, 2023.
- Headlight check control (CC) message 128 "High beam headlight failure" is displayed
The following fault codes are stored during a vehicle test: 80419A - Left high-beam headlight: Short circuit and/or 8041A5 - light outputs: Number of permitted short circuit cycles exceeded
NHTSA lists 115 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2021 BMW Z4?
There are no owner complaints in the NHTSA data for this year; the data comes from 115 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2021 BMW Z4?
NHTSA lists 115 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 BMW Z4 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.