Set of Six (6)
BMW S55 OEM Spark Plugs by Bosch (ZMR5TPP330)
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OEM Bosch BMW S55 Spark Plugs - BMW Part # 12 12 0 039 63
These OEM S55 spark plugs should be replaced every 40,000-50,000 miles on stock engines. Highly modified or FBO S55 engines may require replacement every 15,000-25,000 miles.
Replacing your BMW S55 spark plugs may:
- Restore power, torque, and performance
- Improve idle and throttle response
- Fix cold start or long cranking issues