Description
Bosch OE Fine Wire Platinum+4 Spark Plugs feature a specially engineered, yttrium enhanced ground electrodes that provides 2X longer service life compared to standard copper plugs
Unique 360 degree, continuous laser welded platinum firing pin design delivers better corrosion resistance, ignitability, and performance
Ribbed insulator design seals tightly against the wire boot preventing misfires due to flash-over
Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation
Bosch Platinum+4 spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation
Compatible with select vehicles (Note: engine affects fitment – verify specific fitment details with amazon confirmed fit fit checker above): BENTLEY: 1999-01 Arnage; BMW: 1999 318ti, 2000 323Ci, 1998-01 323i, 1998-99 323is, 2001-06 325Ci, 2001-05 325i
Compatible with (continued): BMW: 2001-05 325xi, 2000 328Ci, 1999-00 328i, 1999 328is, 2001-06 330Ci, 2001-05 330i, 2001-05 330xi, 2001-05 525i, 1999-00 528i, 2001-05 530i, 1999-03 540i, 2004-06 545i, 2004-05 645Ci, 1999-01 740i, 1999-01 740iL
Bosch Platinum+4 Spark Plugs deliver improved ignitability and fuel efficiency. The fine wire design with a platinum firing pin on the center electrode and tapered ground electrode are an economical upgrade from conventional copper core spark plugs. Nickel plated, rolled threads, combined with a factory preset gap, ensure simple, easy installation right out of the box – no anti-seize or gapping necessary. Engineered to meet or exceed Original Equipment specifications for platinum spark plugs.
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