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Passenger Car (BMW M8 Cabriolet) - Repair
Official notice
22 Jan 2026
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger Car (BMW M8 Cabriolet) - Repair. Defect in the engine oil pump. ■Defective component and details: Due to an inappropriate manufacturing process, some bolts securing the engine oil pump to the upper oil pan have not been tightened to the specified torque. Driving vibrations and other factors may therefore loosen these bolts, causing them to fall into the lower oil pan and damage the oil pump chain. This may result in insufficient oil supply to the engine, display of a Check Control message, and accelerated wear of the connecting rod bearings and main bearings, producing abnormal noise. Continued use may cause reduced compression associated with the connecting rods or abnormal crankshaft rotation, resulting in misfires and, in the worst case, engine shutdown while driving. Published 2026-01-22.
What to do now
(Notification number) 外4125
Official notice
2026-01-22
The hazard
The hazard
Defect in the engine oil pump. ■Defective component and details: Due to an inappropriate manufacturing process, some bolts securing the engine oil pump to the upper oil pan have not been tightened to the specified torque. Driving vibrations and other factors may therefore loosen these bolts, causing them to fall into the lower oil pan and damage the oil pump chain. This may result in insufficient oil supply to the engine, display of a Check Control message, and accelerated wear of the connecting rod bearings and main bearings, producing abnormal noise. Continued use may cause reduced compression associated with the connecting rods or abnormal crankshaft rotation, resulting in misfires and, in the worst case, engine shutdown while driving.
How to check if you're affected
How to check if you're affected
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Affected products
Product 1
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: BMW. Contact: ビー・エム・ダブリュー株式会社.
Source & status
Source & status
Recall details
Recall details
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Documents, notices & source
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