BMW bulletin B410125
What it saysA crack may have formed in the upper left corner of the trunk opening (circled in red),where the quarter panel contacts the left lower corner of the rear window and trunk water channel. NHTSA’s full summary ↓
BMW filed this with NHTSA as a service bulletin dated Mar 10, 2025, received Mar 11, 2025, about the structure. It names 1 model year (2025). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationWhat it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.
A crack may have formed in the upper left corner of the trunk opening (circled in red),where the quarter panel contacts the left lower corner of the rear window and trunk water channel. Illustration of the inward-facing metal shows the general location of the possible crack, though the area to be checked in the Procedure is on the “back side”/outward-facing surface. The PVC seam sealant applied to the water channel may not sufficiently seal the channel in the presence of the crack, resulting in a small water leak into the trunks interior.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B410125 | Service bulletin | Mar 10, 2025 | 11015553 | PDF, 1,742 KB |
What the document itself lists
Parts the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| 83 19 2 158 654 | K5 body adhesive 50 mL 1 If needed | — | eBay Motors → |
| 83 42 2 457 337 | Cavity protection spray 400 mL 1 If needed | — | eBay Motors → |
Read by machine from the document NHTSA serves (8 pages), read Sep 30, 2026. A part number is shown only where it matches BMW’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.
Find the body for the 2025 2 Series →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 1 model year this bulletin names have filed 5 complaints with NHTSA since 2015. 1 of them name Structure — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the structure
Source: same model, same component group11 other manufacturer communications filed against the BMW 2 Series under the same component group (structure), newest first. The eight newest are listed; the rest are on the BMW list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| B640826 | Service bulletin | Aug 28, 2026 | Customers may hear a noise from underneath the vehicle, or feel something rubbing being transmitted intothe body of the vehicle while drivin… |
| B630426 | Service bulletin | Jul 1, 2026 | The front interior reading light(s) (arrows) willrandomly turn ON and OFF while driving. The reading lights are normally activated bytouchin… |
| B512022 | Service bulletin | Jun 30, 2026 | While driving on rough roads, a cracking sound is heard coming from the headliner area. |
| B180125 | Service bulletin | May 11, 2026 | DISCOLORIZATION OF EXHAUST SYSTEM REAR SILENCER |
| B641224 | Service bulletin | May 4, 2026 | 1. Use of aftermarket accessory hang-on cellular phone holders and/or air fresheners can break the instrument panel air vent slats. Damage a… |
| 85800210NA | Warranty extension | Jul 2, 2025 | After carrying out the vehicle test, one or more of the stored faults indicate that the operation of the front bottom active air flap is obs… |
| 0051240600 | Service campaign | Apr 29, 2025 | During vehicle assembly, the incorrect kidne ygrille trim finish (highlighted in orange) was installed. |
| 0041430200 | Service campaign | Feb 25, 2025 | A crack may have formed in the upper left corner of the trunk opening (circled in red), where the quarter panel contacts the left lower corn… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for BMW, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW B410125 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the B410125 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every BMW warranty extension on file lists the ones BMW has filed.
Which vehicles does B410125 cover?
The manufacturer filed it against 1 model year: 2025 BMW 2 Series. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: F74 2 Series Gran Coupe: built 9 Jan 2025 – 15 Jan 2025 — the build date is on the certification label in the driver’s door jamb.