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Spark Plug for 1984 BMW 633CSi

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Bosch Platinum IR Fusion Spark Plug

Bosch Premium Class PlatinumIR Fusion Spark Plug uses surface air gap technology and 4 yttrium enhanced ground electrodes for both performance and extra long life. Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark.

Features:
  • Fuses iridium with platinum and combines the superior properties on both materials into a single fine wire center electrode
  • Reduces the voltage necessary to jump the gap as well as reduces quenching
  • Designed to give exceptional performance, reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency
Bosch Spark Plug, Bosch Platinum IR Fusion, Direct Fit, Sold Individually
$9.83 List Price $11.60 Save $1.77 Availability: In Stock
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  • SKU#: BS4507
  • Electrode Core Material: Iridium/Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Iridium/Platinum
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base

Bosch Silver Spark Plug

Bosch Super Class Silver Spark Plugs are engineered to improve performance whether sport-driving and racing conditions or power sport application.

Features:
  • Designed for high performance and not long life
For colder racing applications, particularly those that run at full throttle racing, water ski, and towing. Not for traditional automotive use stop and go traffic as they would quickly foul out.

Bosch Spark Plug, Bosch Silver, Direct Fit, Sold Individually
$5.28 List Price $6.23 Save $0.95 Availability: In Stock
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  • SKU#: BSWR9LS
  • Electrode Core Material: Silver
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Silver
  • Gap Size: 0.7 mm
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base

Bosch Platinum+2 Spark Plug

Bosch Super Class Platinum+2 Spark Plug uses surface air gap firing technology and dual yttrium enhanced ground electrodes for longer life and has more platinum for smoother acceleration and optimum engine performance.

Features:
  • Fine wire platinum center electrode which is heat fused into the extended ceramic insulator reduces the voltage necessary to jump the gap as well as reduces quenching
  • Reaches self cleaning temperature faster for quicker starts and increased fuel efficiency
Bosch Spark Plug, Bosch Platinum+2, Direct Fit, Sold Individually
$5.30 List Price $6.25 Save $0.95 Availability: In Stock
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  • SKU#: BS4307
  • Electrode Core Material: Platinum
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base

Bosch Platinum+4 Spark Plug

Bosch Premium Class Platinum+4 Spark Plug contains the most platinum in the Bosch Platinum Plug Series and has a unique firing technology that combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.

Features:
  • Reduces the voltage necessary to jump the gap as well as quenching
  • Provides multiple radial spark paths and surface air gap design that creates optimal exposure of the air/fuel mixture to the enhanced ignition spark
  • Yttrium-enhancement of the ground electrodes further extend plug life
  • Designed to reach self cleaning temperature faster for quicker starts, smoother acceleration, and increased fuel efficiency
Bosch Spark Plug, Bosch Platinum+4, Direct Fit, Sold Individually
$13.45 List Price $15.87 Save $2.42 Availability: In Stock
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  • SKU#: BS4479
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Platinum
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 12-month or 12,000-mile Bosch limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base

NGK Spark Plug

NGK V-Power Spark Plugs come with unique V-power design that directs spark to the edge of the electrode where it develops more rapidly to improve ignitability unlike other OE products.


Features:

  • Increase ignitability even in lean burn conditions and lower ignition system voltage requirements
  • Increase fuel economy and lower emissions
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
  • Highly durable against electrical and chemical wear
NGK Spark Plug, NGK V-Power, Direct Fit, Sold Individually
$6.48 List Price $7.65 Save $1.17 Availability: In Stock
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  • SKU#: NG1233
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 0.8 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base
NGK Spark Plug, NGK Standard, Direct Fit, Sold Individually
$5.56 List Price $6.56 Save $1.00 Availability: In Stock
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  • SKU#: NG7734
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 business days
  • Electrode Tip Material: Nickel alloy
  • Gap Size: 1.1 mm
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Reach: 19 mm
  • Thread Size: 14 mm
  • Warranty: 60-day NGK limited warranty
see more Fits the following 1984 BMW 633CSi submodels:
  • 6 Cyl 3.2L | Base

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