For Reference Only!
All orders processed
in US Dollars $




Join our mailing list!
You are here: Home > Engine Management - BOSCH > Spark Plugs
Find by Brand
0 (1)
BMW (27)
BMW, KTM (1)
BOSCH (1)
Choose a sub category:
Bosch Super Plus Spark Plugs
Sort By:
Page of 2
BOSCH Super Spark Plug - BMW R Airhead ; use WR5DC+ BOSCH Super Spark Plug - BMW R Airhead ; use WR6DC+
Price $2.25
Price $2.25
Part #: W5DC

BOSCH Copper Core Spark Plug. 3/4 (0.75) inch reach. REPLACED by WR5DC+.

Vehicle Manufacturer: BMW

Application: AIRHEADS; R45, R65, R50/5, R100 (1977-84) not 100/7/ T 77-78

Make/Model: BMW : R45, R65, R50/5, R100 (1977-84)

Model Years: 1977 to 1984

Vehicle Mfg. Part #: ... 146

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode.

REPLACED by WR5DC+; Features Ytrium Center electrode; Benefit: Longer performance life, V groove ground electrode and increased flame kernel propagation.
Part #: W6DC

BOSCH Copper Core Spark Plug. 3/4 (0.75) inch reach. REPLACED by WR6DC+.

Vehicle Manufacturer: BMW

Application: AIRHEADS; R100T/7, R75, R90/6

Make/Model: BMW : R100T/7, R75, R90/6

Model Years:

Vehicle Mfg. Part #: 12 12 1 338 146

Power Rating: Heat Range 6 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode.

REPLACED by WR6DC+; Features Ytrium Center electrode Benefit, Longer performance life V groove ground electrode, increased flame kernel propagation.
BOSCH Super Spark Plug - BMW R Airhead; use WR7DC+ BOSCH Super Plus Spark Plug - BMW R Airhead
Price $2.25
Price $2.25
Part #: W7DC

BOSCH Copper Core Spark Plug. 3/4 (0.75) inch reach. REPLACED by WR7DC+ .

Vehicle Manufacturer: BMW

Application: AIRHEADS; All Monolevers & Paralevers (not Oilheads...)

Make/Model: BMW : Airhead , Boxers

Model Years: 0 to 0

Vehicle Mfg. Part #: ... 485

Power Rating: Heat Range 7 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode. REPLACED by WR7DC+;Features ì Ytrium Center electrode Benefit ì Longer performance life V groove ground electrode ì increased flame kernel propagation.
Part #: WR5DC+

BOSCH Yttrium Core Super Plus Spark Plug. 3/4 (0.75) inch reach. REPLACED the W5DC.

Vehicle Manufacturer: BMW

Application: AIRHEADS; R45, R65, R50/5, R100 (1977-84) not 100/7/ T 77-78

Make/Model: BMW : R45, R65, R50/5, R100 (1977-84)

Model Years: 1977 to 1984

Vehicle Mfg. Part #: ... 146

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode. REPLACED the W5DC; Features Ytrium Center electrode ; Benefits: Longer performance life, V groove ground electrode for increased flame kernel propagation.

Please read the Bosch Super Plus Spark Plugs Technical Flyer for more information.
BOSCH Super Plus Spark Plug - BMW R Airhead BOSCH Super Plus Spark Plug - BMW R Airhead
Price $2.25
Price $2.25
Part #: WR6DC+

BOSCH Copper Core Spark Plug. 3/4 (0.75) inch reach. Replaced the W6DC.

Vehicle Manufacturer: BMW

Application: AIRHEADS; R100T/7, R75, R90/6

Make/Model: BMW : R100T/7, R75, R90/6

Model Years: 0 to 0

Vehicle Mfg. Part #: 12 12 1 338 146

Power Rating: Heat Range 6 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode. Replaced the W6DC; Features Ytrium Center electrode, Benefit: Longer performance life, V groove ground electrode, increased flame kernel propagation

Please read the Bosch Super Plus Spark Plugs Technical Flyer for more information.
Part #: WR7DC+

BOSCH Copper Core Super Plus Spark Plug. 3/4 (0.75) inch reach. Features Ytrium Center electrode giving the benefit of longer performance life, V groove ground electrode providing increased flame kernel propagation. REPLACED the W7DC .

Vehicle Manufacturer: BMW

Application: AIRHEADS; All Monolevers & Paralevers (not Oilheads...)

Make/Model: BMW : Airhead , Boxers

Model Years:

Vehicle Mfg. Part #: ... 485

Power Rating: Heat Range 7 (1=Cold / 9=Hot)

Original Equipment:   BOSCH

Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode. REPLACED the W7DC; Features Ytrium Center electrode giving the benefit of longer performance life, V groove ground electrode providing increased flame kernel propagation.

Please read the Bosch Super Plus Spark Plugs Technical Flyerfor more information.
BOSCH Super Spark Plug - BMW R Oilhead; triple electrode / hotter DISCONTINUED use FR7DC+ BOSCH Super Spark Plug - BMW R Oilhead; single electrode / 12 12 1 342 125
Price $3.25
Price $3.95
Part #: FR7DC+

BOSCH Copper Core Spark Plug.  Single V-Groove ground electrode with Yttrium center electrode for longer plug life and expanded flame kernel. Optional hotter heat range for ALL OILHEADS for colder climates or extended low-speed engine RPM; may reduce surging.
Replaces FR7DTC. 

Vehicle Manufacturer: BMW

Application: OILHEADS; R850, R1100, R1150, R1200

Make/Model: BMW : R850, R1100, R1150, R1200

Model Years: 1993 to 2005

Vehicle Mfg. Part #: ... 125 (optional)

Power Rating: Heat Range 7 (1=Cold / 9=Hot)

Original Equipment:  BOSCH

Technical Information: Single V-Groove ground electrode with Yttrium center electrode. V-groove creates expanded flame kernel which may reduce surging. Yttrium center electrode prolong plug life, too. Hotter heat range than original F6DDC, FR6DTC, FR6DC+.
14mm thread diameter with 5/8 inch hex. Thread reach 3/8 inch. Extended tip center electrode. Suppression resistor.
Replaces FR7DTC. 
Part #: FR6DC+

BOSCH Copper Core Spark Plug with Ytrium center electrode.
Will replace FR6DDC (dual ground electrode)on ALL early 1993-2000 OILHEADS with single plug.
Ytrium will provide longer wear between tuneups.

Vehicle Manufacturer: BMW

Application: OILHEADS; R850, R1100, R1150, R1200

Make/Model: BMW : R850, R1100, R1200

Model Years: 1993 to 2000

Vehicle Mfg. Part #: 12 12 1 342 125 (Bosch FR6DDC) , 12 12 7 653 771 (NGK BKR7EKC)

Power Rating: Heat Range 6 (1=Cold / 9=Hot) w/ Ytrium center

Original Equipment:   BOSCH

Technical Information: Ytrium center electrode for longer interval between tuneups ! 14mm thread diameter with 5/8 inch hex. Thread reach 3/8 inch. Suppression resistor. For dual ground electrode use FR6DDC, triple FR6DTC .
BOSCH Super Spark Plug - BMW K Models; early (non-resistor) BOSCH Super Spark Plug
Price $4.75
Price $4.99
Part #: X5DC

BOSCH Copper Core Spark Plug with Single Ground Electrode. Thread reach 3/4 (0.75) inch. OE non-resistor plug.

Vehicle Manufacturer: BMW

Application: All K Models to 1991w/ non-resistor plug

Make/Model: BMW : K75, K100

Model Years: 1984 to 1991

Vehicle Mfg. Part #: ... 800

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: BOSCH Copper Core Spark Plug. 12 mm Thread with 11/16 inch hex. Non-resistor version of later model XR5DC (resistor). For Silver Resistor Plug, use XR4CS.
 		Part #: W3AC

BOSCH Copper Core Spark Plug. Short Reach 1/2 (0.50) inch.

Vehicle Manufacturer: BMW

Application: 1/2 inch reach; R25, R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 3 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: 1/2 (0.50)inch reach. 14mm thread diameter. Conventional Copper Core with single ground electrode.
BOSCH Super Spark Plug BOSCH Super Spark Plug - early R, R25, etc., 0.50 inch reach
Price $4.99
Price $4.99
Part #: W3CC

BOSCH Copper Core Spark Plug. Long reach 3/4 (0.75) inch.

Vehicle Manufacturer: BMW

Application: 3/4 inch reach; R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 3 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: 3/4 (0.75) inch reach. 14mm thread diameter. Conventional Copper Core with single conventional ground electrode
BOSCH Part #: W4AC
 
Old BOSCH Part # :  W240T1

BOSCH Copper Core Spark Plug. Short reach 1/2 (0.50) inch.

Vehicle Manufacturer: BMW

Application: 1/2 inch reach; R25, R26, R27, R50, R60, R69

Make/Model: BMW : R25, R26, R27, R50, R60, R69

Model Years: Many

Vehicle Mfg. Part #: Discontinued by BMW

Power Rating: Heat Range 4 (1=Cold / 9=Hot)

Original Equipment:  BOSCH

Technical Information: 1/2(0.50)inch reach. 14mm thread diameter. Conventional Copper Core with single conventional ground electrode. Old BOSCH Part # :  W240T1
BOSCH Super Spark Plug - early R, R25, etc., 0.75inch reach BOSCH Super Spark Plug
Price $4.99
Price $4.99
Part #: W4CC

Bosch Copper Core Spark Plug. Long reach 3/4 (0.75)inch.

Vehicle Manufacturer: BMW

Application: 3/4 inch reach; R25, R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: ... 145

Power Rating: Heat Range 4 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: 3/4 (0.75)inch reach. 14mm thread diameter. Conventional Copper Core with single conventional electrode.
 		Part #: W5AC

BOSCH Copper Core Spark Plug. Short reach 1/2 (0.50) inch.

Vehicle Manufacturer: BMW

Application: 1/2 inch reach; R25, R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: 1/2 (0.50) inch reach. 14mm thread diameter. Conventional Copper Core with single conventional ground electrode.
BOSCH Super Spark Plug BOSCH Super Spark Plug - BMW R Oilhead; triple electrode-colder / 12 12 1 342 125
Price $4.99
Price $5.75
Part #: W5CC

BOSCH Copper Core Spark Plug. Long reach 3/4 (0.75) inch.

Vehicle Manufacturer: BMW

Application: 3/4 inch reach; R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: 3/4 (0.75) inch reach. 14mm thread diameter. Conventional Copper Core with single conventional ground electrode.
Part #: FR5DTC

BOSCH Copper Core Spark Plug. Three ground electrodes for expanded flame kernel. Optional colder heat range for ALL OILHEADS for hotter climates or extended high-speed engine RPM; may reduce surging.

Vehicle Manufacturer: BMW

Application: OILHEADS; R850, R1100, R1150, R1200

Make/Model: BMW : R850, R1100, R1150, R1200

Model Years: 1993 to 2005

Vehicle Mfg. Part #: 12 12 1 342 125

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:   BOSCH

Technical Information: 3 Ground Electrodes. Expanded flame kernel may reduce surging. Colder heat range than original F6DDC. 14mm thread diameter with 5/8 inch hex. Thread reach 3/8 inch. Extended tip center electrode. Suppression resistor.
BOSCH Silver Spark Plug BOSCH Silver Spark Plug
Price $5.95
Price $5.95
Part #: W3CS

BOSCH Silver Spark Plug. Long Reach 3/4 (0.75) inch

Vehicle Manufacturer: BMW

Application: 3/4 inch reach; R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 3 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Silver Center Electrode. 3/4 (0.75) inch reach. 14mm thread diameter.
Part #: W4AS

BOSCH Silver Spark Plug with Single Ground Electrode. Short reach 1/2 (0.50) inch. 14mm thread diameter.

Vehicle Manufacturer: BMW

Application: 1/2 inch reach; R25, R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 4 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Silver center electrode. 1/2 (0.50) inch reach
BOSCH Silver Spark Plug BOSCH Super Spark Plug - BMW K Models; late (resistor)
Price $5.95
Price $5.95
Part #: W4CS

BOSCH Silver Spark Plug with Single Ground Electrode. Long reach 3/4 (0.75) inch.

Vehicle Manufacturer: BMW

Application: 3/4 inch reach; R26, R27, R50, R60, R69

Make/Model: BMW : R26, R27, R50, R60, R69

Model Years: 0 to 0

Vehicle Mfg. Part #: Not available from dealer

Power Rating: Heat Range 4 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: Silver center electrode. 3/4 (0.75) inch reach. 14mm thread diameter.
Part #: XR5DC

BOSCH Copper Core Spark Plug with Single Ground Electrode. Thread reach 3/4 (0.75) inch. OE Resistor version of earlier X5DC applications.

Vehicle Manufacturer: BMW

Application: K Models 1989-on w/ resistor plug

Make/Model: BMW : K1, K100, K1100

Model Years: 1989 to 2004

Vehicle Mfg. Part #: ... 464 293

Power Rating: Heat Range 5 (1=Cold / 9=Hot)

Original Equipment:

Technical Information: BOSCH Cooper Core Spark Plug with Single Ground Electrode. 12 mm Thread with 11/16 inch hex. Suppression Resistor version of X5DC. For Silver Plug version use XR4CS.