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NHTSA 11025855: Expansion Tank Return
Expansion Tank Return on BMW G05/G06/G07/G60 and other models (2026); BMW explains the cause and the approved repair.
BMW other communication · NHTSA ID 11025855 · Nov 2025
What it covers
A general communication BMW filed with NHTSA.
Expansion Tank Return
Details
| Bulletin number | NHTSA 11025855 |
|---|---|
| NHTSA ID | 11025855 |
| Document IDs filed | B066-25 |
| Type | Other communication |
| Date | |
| Models | 530i, 740i, X5, X6, X7 |
| Model years | 2026 |
| Chassis | G05, G06, G07, G60, G70 |
| Engines | B46/B48, B58, N63 |
| Component (NHTSA) | Engine |
Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.
More for these cars
G05 repair costs All B46/B48 bulletins All B58 bulletins All N63 bulletins
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Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.
Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.