2021 BMW 3/4 Series Ticking Noise During Light Braking
A ticking noise from the driver's footwell during light braking has been reported in 2021 BMW 330i, 330e, 430i, M340i, and M440i models. This issue occurs when the brake pedal is lightly pressed without activating the brake lights, particularly while coasting with the engine off.
Also applies to
- BMW 330e
- 2021
- BMW 430i
- 2021
- BMW M340i
- 2021
- BMW M440i
- 2021
Owners of certain 2021 BMW 3 Series and 4 Series models may notice an unusual ticking sound emanating from the driver's footwell. This issue, described in a manufacturer communication with NHTSA ID 10182909, specifically relates to the SERVICE BRAKES component.
The BMW 330i ticking noise braking can be a cause for concern, prompting owners to seek information about its origin and potential solutions. This article details the reported symptoms and conditions under which this noise occurs.
Symptoms
The primary symptom is a distinct ticking sound heard from the driver's footwell. This noise is particularly noticeable during specific driving conditions.
Owners report that this BMW 330i ticking noise braking occurs when the brake pedal is slightly pressed with minimum force. Crucially, the brake lights are not activated when this light pedal pressure is applied.
Diagnosis / Trigger Conditions
The ticking sound is typically heard while the vehicle is coasting, especially when the engine is off. The noise manifests when the brake pedal is engaged with only light pressure, not enough to trigger the brake lights.
This specific set of conditions helps in identifying the BMW 330i ticking noise braking and differentiating it from other potential brake-related sounds. The issue points to a characteristic behavior within the SERVICE BRAKES system.
What Owners Should Know
If you experience a ticking noise from the driver's footwell during light braking in your 2021 BMW 330i, 330e, 430i, M340i, or M440i, it is advisable to contact your authorized BMW dealership. While the manufacturer communication describes the symptom, specific repair procedures or parts are not detailed in the summary provided.
Your dealer can diagnose the exact cause of the ticking sound and advise on any necessary repairs or adjustments to the SERVICE BRAKES system. Referencing NHTSA ID 10182909 may assist them in understanding the known issue.
Source: NHTSA Manufacturer Communication 10182909
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.
Service Brakes, the system this article covers, accounts for 13 of 818 complaints (2%), 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 service brakes
Read owner complaints →Going into a parking spot. Applied brakes, then the car did not brake, then it accelerated hitting a Jeep and finally stopped when the driver side front hit a parking barrier and then the air bags deployed.
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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