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SIB 64 07 24: Coolant changeover valve leak
Coolant changeover valve leak on Electric engines (2023–2024); BMW gives an inspection and repair procedure.
BMW service campaign · NHTSA ID 11005237 · Jul 2024 · also written SI B64 07 24, B640724
What it covers
A service campaign is a fix BMW performs free on affected cars. Ask a BMW center whether it is open on your VIN.
Quality checks have determined that the coolant changeover valve may develop a coolant leak under very low outside temperatures (significantly lower than 32º F (0 C)).
Details
| Bulletin number | SIB 64 07 24 Also written: SI B64 07 24, B640724, 64 07 24, SIB-64-07-24, SI B640724 |
|---|---|
| NHTSA ID | 11000514, 11005237 (revisions) |
| Document IDs filed | B640724 |
| Type | Service campaign |
| Date | (first filed May 2024) |
| Models | IX |
| Model years | 2023–2024 |
| Chassis | I20 |
| Engines | Electric |
| 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.
Related bulletins
- SIB 64 13 24 Coolant changeover valve leak Coolant changeover valve leak on Electric engines (2023–2024); BMW gives an inspection and repair procedure. Service campaign · Dec 2024
- SIB 17 01 24 Battery leak Battery leak on Electric engines (2022–2025); BMW gives an inspection and repair procedure. Service bulletin · Feb 2026
- SIB 64 03 26 Humming noise Humming noise on Electric engines (2025); BMW explains the cause and the approved repair. Service bulletin · May 2026
- SIB 64 03 24 Coolant changeover valve new-car delivery hold Coolant changeover valve new-car delivery hold on Electric engines (2023–2024); unsold cars were held for inspection and repair before delivery. Service bulletin · May 2024
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.