2021 BMW X3, X4, X5, X6, X7 Delivery Stop: ACSM Sensor Issue
BMW has issued a delivery stop for certain 2021 BMW X3, X4, X5, X6, and X7 vehicles due to an issue with the Active Crash Safety Module (ACSM) sensor. This measure, effective October 15, 2021, impacts vehicles produced between September 28 and October 8, 2021, ensuring safety before delivery.
Also applies to
- BMW X4
- 2021
- BMW X5
- 2021
- BMW X6
- 2021
- BMW X7
- 2021
BMW has issued a critical manufacturer communication, NHTSA ID 10205071, detailing a delivery stop for specific vehicles. This 2021 BMW X3 manufacturer_communication primarily concerns an issue with the Active Crash Safety Module (ACSM) sensor in certain 2021 BMW X3, X4, X5, X6, and X7 models. The delivery stop became effective on October 15, 2021, impacting vehicles produced within a narrow window.
What is a Delivery Stop?
A delivery stop is a measure taken by a manufacturer to prevent new vehicles from being sold or delivered to customers until a specific issue is resolved. Unlike a recall, which typically addresses vehicles already in owner hands, a delivery stop ensures that potential problems are fixed before the vehicle leaves the dealership lot. This process helps maintain safety standards and customer satisfaction from the outset.
Why the ACSM Sensor Matters
The Active Crash Safety Module (ACSM) sensor is a vital component of a vehicle's safety system. It is responsible for detecting collisions and triggering critical safety features, such as airbag deployment and seatbelt pretensioners. A malfunction in the ACSM sensor could compromise these safety systems, increasing the risk of injury in the event of a crash. The ELECTRICAL SYSTEM, AIR BAGS, and FORWARD COLLISION AVOIDANCE systems are all directly impacted by the proper functioning of this module.
Important Warnings
As this is a delivery stop, affected vehicles are held at dealerships and cannot be delivered to customers until the necessary inspection and repair are completed. This ensures that no vehicles with the potential ACSM sensor issue reach owners. Owners of vehicles outside the specified production dates or model years are not affected by this particular delivery stop.
Next Steps for Owners
Since this is a delivery stop, current owners of 2021 BMW X3 vehicles or other models listed are generally not impacted, as the vehicles are addressed before sale. If you have placed an order for a new BMW X3, X4, X5, X6, or X7 and are awaiting delivery, your dealership will ensure that any necessary repairs related to the Active Crash Safety Module (ACSM) sensor are performed before you take possession of the vehicle. There is no action required from owners of vehicles already in service.
Source: NHTSA ID 10205071
What BMW X3 owners report
Counted from the records in our database across 23 model years.
- 2,295
- Owner complaints
- 64
- Recalls
- 1,126
- Service bulletins
- 114
- Crashes reported
- 133
- Fires reported
- 118
- Injuries reported
The 2021 model year
113 complaints, the 8th most of 23 model years on file. Owners reported 5 crashes, 2 fires and 2 injuries for this year, which also has 10 recalls on file.
Air Bags and Forward Collision Avoidance and Electrical System, the system this article covers, accounts for 879 of 2,295 complaints (38%), including 40 for 2021.
Complaints by model year
| 2004 | 138 | |
|---|---|---|
| 2006 | 143 | |
| 2007 | 258 | |
| 2008 | 122 | |
| 2011 | 126 | |
| 2013 | 226 | |
| 2015 | 105 | |
| 2019 | 171 | |
| 2020 | 110 | |
| 2021 | 113 |
Most-reported systems
- Engine — 494
- Electrical System — 450
- Air Bags — 404
- Power Train — 247
- Seats — 218
Latest recalls for the 2021 model year
- 26V056000 — Electrical System (Jan 2026)
- 25V636000 — Electrical System (Sep 2025) — Park outside
- 24V764000 — Structure (Oct 2024)
Recent owner reports about air bags and forward collision avoidance and electrical system
At a stoplight in Huntsville, TX, on Oct. 14, 2026, car died. No yellow lights, no warning of any kind. Policeman rerouted traffic, got a tow truck and drove us a Firestone outlet, where problem was diagnosed as a dead battery.
Read owner complaints →The contact owns a 2021 BMW X3. The contact received notification of NHTSA Campaign Number: 26V438000 (Electrical System); however, the part to do the recall repair was unavailable.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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