| Issue ID | 1400425 |
| Internal NHTSA # | 11015356 |
| Manufacurer | BMW of North America, LLC |
| Brand | BMW |
| Model | 330I |
| Model Year | 2006 |
| File date | 06/08/17 |
| Component | ENGINE |
| Product type code | VEHICLE |
| Description of the problem | While doing a valve cover replacement for broken aluminium bolts, which caused a leak, discovered that the three aluminium head bolts are also broken. The fourth of these was found to be broken and replaced. This known problem on this motor, the n52 six cylinder 3. 0 liter motor, caused by inadequate bolts installed at the factory. Bmw updated the bolts and torque specs for the motor, but has never formally (at least publicly) recognized the issue. Looking on message boards this is a common problem occurring with these cars that is caused by a manufacturing defect rather than simply time and age. There are many reports of these bolts being found broken at 35 - 50k miles. |
| Vehicle Mileage at Failure | 101000 |
| Number of Occurences | |
| Source of the issue | NHTSA WEB SITE |
| City and State | TACOMA, WA |
| VIN pattern | WBAVB33566AXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | N |
| Was part original equipment? | |
| No. of injured persons | |
| No. of fatalities | |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | |
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| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
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| Dealer's state code | |
| Dealer's ZIP code |