# NHTSA Defect Petition DP78034
> **SPARK PLUG FOULING** · Opened 1978-05-02 · Closed 1978-07-24
## Investigation
- **Action number:** DP78034
- **Type:** Defect Petition
- **Open date:** 1978-05-02
- **Close date:** 1978-07-24
- **Manufacturer:** BMW of North America, LLC
- **Affected makes:** BMW
- **Affected components:** ELECTRICAL SYSTEM
- **Affected model years:** 1977, 1978
- **Affected (make, year) variants:** 2
## Summary

SPARK PLUG FOULING

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP78034)
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