AI Damage2020 BMW 840I: common problems
The maker issued 175 service bulletins for this year. We found 1 repair videos on YouTube. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 175
- YouTube repair videos
- 1
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 69 |
| Equipment | 0 | 0 | 67 |
| Steering | 0 | 0 | 15 |
| Backover prevention | 0 | 0 | 11 |
| Engine and cooling | 0 | 0 | 10 |
| Structure | 0 | 0 | 10 |
| Engine | 0 | 0 | 9 |
| Seats | 0 | 0 | 7 |
| Service brakes | 0 | 0 | 7 |
| Lane departure | 0 | 0 | 6 |
| Visibility | 0 | 0 | 6 |
| Powertrain | 0 | 0 | 5 |
| Wheels | 0 | 0 | 5 |
| Fuel system | 0 | 0 | 4 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Backover prevention. Rear camera and parking sensors after a rear impact.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The manual starting of electronic engine oil level measurement from inside the vehicle, usually…
The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
- The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15…
The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in-service / first delivery date.
- Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote…
Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. Due to this issue…
- The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has…
The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
- If the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat…
If the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat cushionor under the seat cushion surface are unpleasantly loud. The fans speed up loudly twice and then turn…
- There is a jerking or shuddering during either or both of the following
Cornering or accelerating from low speeds Driving with low to medium loads There are no warning lights or Check Control messages.
- For this vehicle, the engine coolant thermostat limited warranty for defects in materials or workmanship…
For this vehicle, the engine coolant thermostat 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.
- SITUATION BMW AG is conducting a Voluntary Emissions Recall (effective April 23, 2021) on a certain Model…
SITUATION BMW AG is conducting a Voluntary Emissions Recall (effective April 23, 2021) on a certain Model Year 2020 - 2021 BMW vehicles that were produced between August 13, 2019 and December 11, 2020. Do not deliver…
- The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance…
The functionality of the left rear SRR sensor could be reduced which would display the Driving Assistance Check Control Message.
- The functionality of the right rear SRR sensor could be reduced which would display the "Driving…
The functionality of the right rear SRR sensor could be reduced which would display the "Driving Assistance"- Check Control Message.
- 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…
NHTSA lists 175 bulletins for this year; the 12 newest are shown here.
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
Other years of this model
Questions and answers
What are the most common problems with the 2020 BMW 840I?
There are no owner complaints in the NHTSA data for this year; the data comes from 175 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 BMW 840I?
NHTSA lists 175 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 2020 BMW 840I 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 2020 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.