BMW bulletin B270220
BMW filed this with NHTSA as a service bulletin dated Jun 6, 2025, received Jun 15, 2020, about the wheels — 6 documents under this number. It names 75 model years (2016–2025). 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.
What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationJERKING OR SHUDDERING FROM THE DRIVELINE (XDRIVE TRANSFER CASE ATX13-X): 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. CAUSE Unevenly worn or incorrect fitment tires are installed on the vehicle or the factory-filled transfer case oil does not meet BMW specifications.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| B270220 | Service bulletin | Jun 6, 2025 | 11019579 | not yet checked |
| B270220 | Service bulletin | Mar 27, 2025 | 11016472 | not yet checked |
| B270220 | Service bulletin | Aug 16, 2024 | 11006766 | not yet checked |
| B270220 | Service bulletin | Jun 28, 2024 | 11002858 | not yet checked |
| B270220 | Service bulletin | May 3, 2024 | 11000500 | not yet checked |
| B270220 | Service bulletin | May 1, 2020 | 10176367 | not yet checked |
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.
Model years it names
Source: as the manufacturer filed themand 18 more model years on this site.
Also filed against model years this site has no page for: 2019 BMW 540D; 2020 BMW 540D; 2020 BMW 640I; 2016 BMW 740LI; 2017 BMW 740LI; 2016 BMW 750LI; 2017 BMW 750LI; 2018 BMW 750LI; 2019 BMW 750LI; 2018 BMW B7 Alpina; 2019 BMW B7 Alpina; 2020 BMW B7 Alpina; 2018 BMW C 400 X; 2017 BMW F800 R; 2017 BMW M550I; 2020 BMW M8; 2019 BMW M850XI.
A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
Common questions
Source: NHTSA, 49 CFR 579.5Is BMW B270220 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 B270220 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.
Which vehicles does B270220 cover?
The manufacturer filed it against 75 model years: 2025 BMW 3 Series, 2024 BMW 3 Series, 2023 BMW 3 Series, 2020 BMW 3 Series, 2019 BMW 3 Series, 2025 BMW 4 Series and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.