Spark Plug Set - BMW M10 / M30

Set of 4 Spark Plugs


Super Plus WR9DC+

The Bosch Super Plus Spark Plug utilizes an yttrium enhanced copper core center electrode, making it one of the longest lasting copper core spark plug on the market - by 50% versus even OE plugs.

Bosch Super Plus also features a tapered, v-profile ground electrode for improved cold starts and better fuel ignitability.

Center Electrode Core Material: Nickel-Yttrium and Copper - Center Electrode Tip Material: Nickel-Yttrium - Ground Electrode Tip Material: Nickel-Chromium

Features and Benefits:

• OE-Equivalent and direct fit application.
• Heavy-duty yttrium-enhanced copper core center electrode.
• Tapered, v-profile nickel chromium ground electrode.
• Nickel-plated rolled threads.
• Metal glass fused resistor.
• Angular, five-ribbed insulator design.
• Electrode gap is factory set and never requires adjustment.
• Anti-seize and corrosion protection.

Bosch Super Plus Spark Plugs deliver quality performance based on technology that's proven on racetracks around the world in the most sophisticated racing engines


Part #'s


12-12-1-272-128 / 12 12 1 272 128 / 12121272128

73-90-6-010-110 / 73 90 6 010 110 / 73906010110


Bosch Part #'s   WR9DS / 7911 / 90919-01065

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov