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Decent.
Priced as of June 1, 2026
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Prices may varyThis product ranks #10 of 18 in Spark Plug.Three above it ↓
Last reviewed June 1, 2026
TL;DR Bosch is the OE supplier for BMW and European platforms; the 4417 uses a platinum center electrode with four yttrium-enhanced ground electrodes, surface air gap firing, and factory-set gap. No mileage interval disclosed in the listing.
The 4417 Platinum+4 pairs a platinum center electrode with surface air gap firing: the spark fires across the ceramic insulator surface to four yttrium-enhanced ground electrodes, reducing gap wear and oxidation. Bosch is the OE supplier for BMW and European engine families; OEM equivalent part numbers include a BMW-format cross-reference (12 12 0 037 607). owners confirm fitment on BMW 525i, X3 E83, and 330 CI, with well-rated owner feedback across those platforms. Factory gap pre-set, no adjustment required. No explicit mileage interval in the listing.
Right pick for BMW and European-platform owners confirmed in the 4417 fitment list, where Bosch carries recognized OE provenance. Skip if your engine uses a different thread size or heat range; the 16mm FGR7DQP spec suits a specific European application subset. Verify with the Bosch fitment tool before ordering.
No chemical exposure pathway: ceramic-and-steel ignition part, no SDS. Steel shell recyclable as ferrous scrap; alumina-ceramic insulator to landfill. No spark plug take-back program as of 2026.
The Bosch 4417 Platinum+4 is designed for select BMW and European-platform applications using a 16mm thread. OEM equivalent part numbers include a BMW-format cross-reference (12 12 0 037 607). owners confirm correct fitment on BMW 525i, BMW X3 E83, and BMW 330 CI, as well as select Volvo applications. Always verify your specific year, engine code, and trim level using the Bosch application tool or the Amazon fit checker before ordering, as engine variants can differ in heat range and thread specification.
Bosch is the recognized OE supplier for BMW and European engine families, and the 4417's OEM equivalent part numbers include a BMW-format cross-reference. This suggests an OE-level relationship for the listed applications. With no heat-range complaints reported and well-rated owner feedback, the cross-reference accuracy for the listed platforms is well supported by the community.
No. The 4417 Platinum+4 is factory-set and never requires gap adjustment, per the product listing. The electrode gap is pre-set at the factory and is listed as ready to install out of the box.
Platinum+4 refers to a platinum center electrode combined with four yttrium-enhanced ground electrodes. The four ground electrodes use surface air gap firing technology, where the spark fires across the ceramic insulator surface rather than jumping a traditional single J-gap. The yttrium alloy on the ground electrodes reduces gap wear and oxidation for extended service life.
Marketing copy from Bosch, via Amazon. Not editorial.
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