2021 BMW 3 Series Sunroof Roller Sunblind Inoperative TSB
If your 2021 BMW 3 Series sunroof roller sunblind is not operating correctly, a manufacturer communication (TSB NHTSA ID 10184580) addresses issues like the sunblind not opening from fully closed or failing to close via one-touch function. This guide explains symptoms and the repair.
Also applies to
- BMW 330e
- 2021
- BMW M340i
- 2021
Owners of certain 2021 BMW 3 Series models may encounter issues with their sunroof roller sunblind. This manufacturer communication, identified by NHTSA ID 10184580, details common problems where the sunblind fails to operate as expected.
Symptoms
If you own a 2021 BMW 330i sunroof roller sunblind, you might notice specific operational failures. The primary symptoms reported include the "roller sunblind cannot be opened from a fully closed position." Additionally, the "roller sunblind cannot be closed via one touch automatic function," meaning the automatic closing feature does not work.
Diagnosis and Trigger Conditions
The issue is generally identified when the sunroof roller sunblind simply fails to respond to commands or operates incorrectly. This directly affects the STRUCTURE:BODY:ROOF AND PILLARS and EQUIPMENT components responsible for the sunblind's functionality. The problem manifests as a complete or partial loss of sunblind operation.
Repair Procedure Summary
While the specific repair steps are not detailed in the summary, the manufacturer communication indicates that a procedure exists to address the inoperative sunroof roller sunblind. This typically involves diagnosis by a qualified technician to identify the root cause, which could range from a faulty motor, switch, or control module to mechanical binding within the sunblind mechanism.
Owner Action
If your 2021 BMW 330i sunroof roller sunblind is exhibiting these symptoms, it is recommended to contact your authorized BMW dealership. Reference manufacturer communication NHTSA ID 10184580 when discussing the issue. The dealership will be able to diagnose the problem and perform the necessary repairs according to BMW's guidelines.
Source: NHTSA ID 10184580
What BMW 330i owners report
Counted from the records in our database across 16 model years.
- 818
- Owner complaints
- 39
- Recalls
- 863
- Service bulletins
- 30
- Crashes reported
- 38
- Fires reported
- 36
- Injuries reported
The 2021 model year
29 complaints, the 10th most of 16 model years on file. Owners reported 1 crash, 3 fires and 1 injury for this year, which also has 7 recalls on file.
Equipment and Structure, the system this article covers, accounts for 27 of 818 complaints (3%), including 1 for 2021.
Complaints by model year
| 2001 | 116 | |
|---|---|---|
| 2002 | 45 | |
| 2003 | 77 | |
| 2004 | 113 | |
| 2006 | 219 | |
| 2017 | 42 | |
| 2018 | 32 | |
| 2019 | 41 | |
| 2020 | 53 | |
| 2021 | 29 |
Most-reported systems
- Air Bags — 246
- Exterior Lighting — 153
- Electrical System — 132
- Engine — 89
- Power Train — 44
Latest recalls for the 2021 model year
- 26V056000 — Electrical System (Jan 2026)
- 25V636000 — Electrical System (Sep 2025) — Park outside
- 23V584000 — Electrical System (Aug 2023)
Recent owner reports about equipment and structure
Read owner complaints →My sunroof exploded randomly, without warning as I was traveling on the highway at approximately 65 MPH. There was no impact from an object. The cloth cover beneath the sunroof was fully intact and undamaged after the incident.
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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