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SIB 11 05 21: Water pump cracking
Water pump cracking on BMW G05/G06/G07/G20 and other models (2017–2022); BMW repairs affected cars free under a service campaign.
BMW service campaign · NHTSA ID 11012077 · Dec 2024 · also written SI B11 05 21, B110521
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.
The belt pulley on the mechanical coolant pump may fracture allowing the engine drive belt to come off thecoolant pump and alternator.
Details
| Bulletin number | SIB 11 05 21 Also written: SI B11 05 21, B110521, 11 05 21, SIB-11-05-21, SI B110521 |
|---|---|
| NHTSA ID | 10208176, 10212784, 11012077 (revisions) |
| Document IDs filed | B110521 |
| Type | Service campaign |
| Date | (first filed Jan 2022) |
| Models | 330e, 330i, 430i, 530e, 530i, 540d, 540i, M3, M340i, M440i, X5, X6, X7 |
| Model years | 2017–2022 |
| Chassis | G05, G06, G07, G20, G22, G23, G26, G30, G21, G31, G80, G81, F30, F34 |
| Engines | B46/B48, B57, B58, N63, S58 |
| Component (NHTSA) | Engine Engine And Engine Cooling Fuel System Gasoline |
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 repair prices
More for these cars
F30 repair costs G05 repair costs G20 repair costs G30 repair costs All B46/B48 bulletins All B58 bulletins All S58 bulletins
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- SIB 01 01 21 Thermostat warranty extension Thermostat warranty extension on BMW G05/G06/G07/G11 and other models (2016–2022); BMW extended the warranty on this part for eligible cars. Warranty extension · Nov 2024
- SIB 17 04 24 Coolant line new-car delivery hold Coolant line new-car delivery hold on B58/N63 engines (2024); unsold cars were held for inspection and repair before delivery. Service campaign · May 2024
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- SIB 06 13 26 Auxiliary Water Pump Return Auxiliary Water Pump Return on BMW G01/G20/G22/G23 and other models (2024); BMW explains the cause and the approved repair. Other communication · Feb 2026
Before you pay: check your VIN for recalls
Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.
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.