Bosch
OE Fine Wire Platinum

Bosch 6746 Spark Plug

Brand Bosch 6746
Resistance 6000
Ground Electrode Tip Design Standard
Ground Configuration J-gap
Ground Electrode Core Material Copper
Electrical Terminal Type Non-removable nut
Center Electrode Core Material Copper
Center Electrode Tip Material Platinum
Pre-Gap Size 1
Ground Electrode Quantity 1
Hex Size 14
Manufacturer Heat Range 6
Seat Type Flat
Reach 26.5
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Nickel
Hex Type Bi-hex
Center Electrode Design Fine wire
9746 No
Automotive Item Weight (lbs) 0.088185 lb
Insulator Type Projected
Outdoor Power Equipment Application No
Package Contents Spark plug
Package Quantity 1
Product Length 3.32874 in
Product Width 0.669291 in
Resistor Yes
Short Style No
Spark Plug Type 4-cycle
Thread Diameter (Spark Plug) 12 mm
Product line OE Fine Wire Platinum
Fits Mini · 16 vehicles

OE fine wire platinum. Meets or exceeds original equipment specs for platinum spark plugs.

Fine wire design. Improves ignitability and fuel efficiency.

Platinum firing pin. An economical upgrade from conventional copper core spark plugs.

$13.40Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $13.40
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch OE Fine Wire Platinum Spark Plug 6746

Bosch 6746 is an OE Fine Wire Platinum spark plug built for direct replacement service in select Mini applications. It uses a fine-wire center electrode with a platinum firing pin, a tapered ground electrode, and resistor construction to support consistent ignition performance and fuel efficiency.

Compatible With 2010-2015 Mini Cooper, 2011-2016 Mini Cooper Countryman, and 2013-2016 Mini Cooper Paceman. If you are servicing a Mini Cooper spark plug application and want an OE-style platinum upgrade, Bosch 6746 is built to meet or exceed platinum spark plug specifications.

Key Features

  • OE Fine Wire Platinum design for improved ignitability
  • Platinum center electrode tip with fine-wire construction
  • Tapered ground electrode with J-gap configuration
  • Resistor spark plug with 6000 resistance rating
  • Projected ceramic insulator for stable combustion chamber exposure
  • Flat seat, 12 mm thread diameter, 26.5 mm reach, and 14 mm hex size
  • Heat range 6 for OE-style service applications

Product Details

Bosch OE Fine Wire Platinum line focuses on practical OE replacement performance, combining a platinum firing pin on the center electrode with a fine-wire layout to promote reliable spark delivery. The Bosch 6746 spark plug is engineered as an economical step up from conventional copper-core plugs while maintaining the fit and function expected in platinum plug applications. For drivers searching Bosch 6746, Bosch spark plug 6746, or a Mini Cooper spark plug replacement, this part supports factory-style service on the listed Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman applications.

This part cross-references no listed aftermarket part numbers for the same application.

What It Helps Address

  • Hard starting caused by worn spark plug electrodes
  • Misfire conditions related to weak or inconsistent spark
  • Rough idle from degraded ignition performance
  • Reduced fuel efficiency from aging plugs
  • Maintenance replacement for OE-style platinum spark plug service

Installation Notes

Verify engine application before installation and confirm the plug matches the listed thread diameter, reach, seat type, and heat range. Use proper spark plug service procedures, including checking gap specification against the vehicle requirement and tightening to the manufacturer’s torque specification. Inspect ignition coils and boots during service to help prevent repeat misfire concerns.

Quality Assurance

Bosch engineers this OE Fine Wire Platinum spark plug to meet or exceed Original Equipment specifications for platinum spark plugs. The design uses platinum center electrode technology and OE-style construction for consistent service in the listed Mini applications.

Compatible Vehicles

  • Fits 2010-2015 Mini Cooper, N/A
  • Fits 2011-2016 Mini Cooper Countryman, N/A
  • Fits 2013-2016 Mini Cooper Paceman, N/A
This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2016MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2016MiniCooper Paceman1.6LL4OE Fine Wire Platinum
2015MiniCooper1.6LL4OE Fine Wire Platinum
2015MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2015MiniCooper Paceman1.6LL4OE Fine Wire Platinum
2014MiniCooper1.6LL4OE Fine Wire Platinum
2014MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2014MiniCooper Paceman1.6LL4OE Fine Wire Platinum
2013MiniCooper1.6LL4OE Fine Wire Platinum
2013MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2013MiniCooper Paceman1.6LL4OE Fine Wire Platinum
2012MiniCooper1.6LL4OE Fine Wire Platinum
2012MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2011MiniCooper1.6LL4OE Fine Wire Platinum
2011MiniCooper Countryman1.6LL4OE Fine Wire Platinum
2010MiniCooper1.6LL4OE Fine Wire Platinum