BMW 840Ci Ignition and Tune-Up Products

Essential BMW 840Ci Ignition and Tune-Up Products

PerTronix – 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red (Part No.808415)

808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red

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$81.99
8mm Custom fit MAGx2 wires are available for many popular applications equipped with Flame-Thrower or original GM HEI distributors. Our custom wire sets have factory terminated ends for a superior connection and perfect fit, without cuttting, crimping and

Product Features:
  • PerTronix 808415 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 115 Degree Red
  • Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
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PerTronix – 808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red (Part No.808480)

808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red

from

$82.99
8mm Custom fit MAGx2 wires are available for many popular applications equipped with Flame-Thrower or original GM HEI distributors. Our custom wire sets have factory terminated ends for a superior connection and perfect fit, without cuttting, crimping and

Product Features:
  • PerTronix 808480 Flame-Thrower Spark Plug Wires 8 cyl 8mm Universal 180 Degree Red
  • Two current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
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NGK – Coil on Plug Boot (Part No.58941)

Coil on Plug Boot

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$19.99
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:
  • PREMIUM GRADE SILICONE: Designed to withstand harsh environments
  • OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC4144)

Ignition Knock (Detonation) Sensor

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$253.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Bosch – Knock Sensor (Part No.0261231096)

Knock Sensor

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$67.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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Bosch – Knock Sensor (Part No.F6020238424BOS)

Knock Sensor

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$87.63
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
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Bosch – Knock Sensor (Part No.F6020118652BOS)

Knock Sensor

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$82.25
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
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Carquest Premium – Ignition Coil (Part No.EBC1793)

Ignition Coil

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$41.49
Carquest Premium engine management products provide the right ignition coils for a wide range of domestic and import applications. They deliver the highest performance and durability under demanding conditions. Designed to meet OE quality and performance standards using top-quality components, our ignition coils are the best choice for your maintenance and repair needs.

Product Features:
  • Coils are designed and engineered to be an OE quality replacement for fit and performance
  • High-strength dielectric epoxy and 100% copper windings used to deliver high-temperature performance and vibration resistance
  • High-efficiency laminations produce a high-energy spark and reliable performance
  • Factories use ISO 9001 and IATF 16949 standards to deliver products designed to meet or exceed OE voltage output specifications
  • Top-quality components and materials used to deliver maximum performance and long service life under tough operating conditions
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Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.0221504029)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

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$73.99
All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:
  • Meets or exceeds OEM specification
  • Ensures reliable voltage for smooth engine performance
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Carquest Premium – Ignition Coil (Part No.EBC1421)

Ignition Coil

from

$41.49
Carquest Premium engine management products provide the right ignition coils for a wide range of domestic and import applications. They deliver the highest performance and durability under demanding conditions. Designed to meet OE quality and performance standards using top-quality components, our ignition coils are the best choice for your maintenance and repair needs.

Product Features:
  • Coils are designed and engineered to be an OE quality replacement for fit and performance
  • High-strength dielectric epoxy and 100% copper windings used to deliver high-temperature performance and vibration resistance
  • High-efficiency laminations produce a high-energy spark and reliable performance
  • Factories use ISO 9001 and IATF 16949 standards to deliver products designed to meet or exceed OE voltage output specifications
  • Top-quality components and materials used to deliver maximum performance and long service life under tough operating conditions
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Delphi – Ignition Coil: Meets or Exceeds Original Equipment Design, 1 Piece (Part No.GN10335)

Ignition Coil: Meets or Exceeds Original Equipment Design, 1 Piece

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$148.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.

Product Features:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
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Bosch – Spark Plug Connector (Part No.F10101700242BOS)

Spark Plug Connector

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$21.69
Long recognized as an industry leader in ignition and fuel systems, Bosch’s quality, innovation, and experience are the foundation of the entire line of engine management components.

Product Features:
  • Meets or exceeds OEM specifications
  • Manufactured of the highest quality materials
  • Guaranteed fit and function
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NGK – Coil on Plug Boot (Part No.58925)

Coil on Plug Boot

from

$40.99
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:
  • PREMIUM GRADE SILICONE: Designed to withstand harsh environments
  • OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression
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Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7030)

Coil On Plug Insulator Boot: Spring included, Designed for direct fit

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$4.99
CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:
  • Provides excellent heat resistance as well as maximum protection against spark loss.
  • Durable silicone compound for resistance to high heat or abrasion
  • Spring included with the coil boot
  • Design for direct compatibility
  • OE design provides an exact fit for your application
  • Multipack provides one time replace all COP for better deal
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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Motorcraft – Spark Plug (Part No.SP-406)

Spark Plug

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$2.49
The only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles.Long Service Intervals: 100,000 mile service interval, High-Strength Steel High Thread, Platinum-Iridium, Fine-Wire Double Platinum, 60,000-100,000 mile service interval, Up to 60,000 mile service interval: Nickel, Standard Copper Core.
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NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX (Part No.6418)

Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX

from

$11.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
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Motorcraft – High-Durability Spark Plug: Reduces Misfires & Fuel Consumption (Part No.SP-485-X)

High-Durability Spark Plug: Reduces Misfires & Fuel Consumption

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$9.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Engineered for Ford Vehicles: Original equipment on Ford, Lincoln, and Mercury vehicles, ensuring a perfect fit and optimal performance.
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Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR3923)

Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions

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$4.99
The ground electrode is cut-back from the center electrode to provide a gap. The face of the ground electrode is concave to provide a constant gap to the center electrode. This plug is designed use in all aftermarket cylinder heads used in different types of racing venues including oval and road racing.

Product Features:
  • Opens spark face for better ignitability of flame kernel
  • Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
  • Dyno testing has shown proven power gains
  • Cut-back ground electrode evolved from practice of grinding back the side electrode
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NGK – Standard Spark Plug (Part No.F100037024NGK)

Standard Spark Plug

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$8.89
The NGK Standard copper core spark plug provides OEM quality, consistent performance and extended long life.

Product Features:
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
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Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP3923)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

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$6.79
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes ensure reduced gap wear, while the platinum ball welding process provides a consistent point of contact for enhanced adhesion. This results in optimized engine performance, longer life, and improved fuel economy. The gasket seat type further enhances the plug’s reliability and durability.

Product Features:
  • Works to optimize engine performance for a longer life and improved fuel economy
  • OE design
  • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
  • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
  • Gasket Seat Type: Equipped with a gasket seat type that enhances the spark plug’s reliability and durability.
  • Proven Quality: Backed by over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional quality and performance.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (Part No.5304)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20

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$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000° Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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Bosch – Super Plus (Copper Core) Spark Plug (Part No.F1000179433BOS)

Super Plus (Copper Core) Spark Plug

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$6.35
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

Product Features:
  • 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
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Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RC12WMPB4 (Part No.9202)

Iridium Spark Plug: Maximum Performance, OE Replacement, RC12WMPB4

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$8.49
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active™ alloy allows electrodes to reach optimal temperature quickly
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NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, FR6BHX-S (Part No.95159)

Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, FR6BHX-S

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$14.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modern vehicles using OE PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
  • Enhanced Fuel Burn: Provides a more complete fuel burn, resulting in quicker throttle response, smoother idle, and better cold starts.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability and longevity.
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Helping You Find the Right Ignition and Tune-Up Products for Your BMW 840Ci

You love your 840Ci. So we’ve made it easier than ever to help you find BMW 840Ci Ignition and Tune-Up Products in our online catalog. Our inventory holds 54 aftermarket and OEM Ignition and Tune-Up Products for your BMW 840Ci, ranging from $2.49 to $253.99.

We offer parts from 13 brands trusted to make quality Ignition and Tune-Up Products for your BMW 840Ci. Before you buy, take some time to read through customer reviews. We currently have 4,100 reviews of BMW 840Ci Ignition and Tune-Up Products from previous customers. Some of the top rated parts include Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition with 4.6 stars and Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX with 4.9 stars.

Find your 840Ci Ignition and Tune-Up Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your BMW 840Ci part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Ignition and Tune-Up Products Brands for Your BMW 840Ci

Our inventory holds Ignition and Tune-Up Products for your BMW 840Ci from 13 trusted brands. You’ll find OEM and aftermarket parts from brands like Autolite, NGK, and DENSO, all of which can keep that BMW happy.

Top-Rated Autolite Ignition and Tune-Up Products

Leading Autolite Ignition and Tune-Up Products

We carry Autolite brand parts for your BMW 840Ci across several catalog categories, including Spark Plugs. Some of our most reviewed Autolite parts include:

FAQs for BMW 840Ci Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the BMW 840Ci?

Out of 54 Ignition and Tune-Up Products for the BMW 840Ci, the most popular in our inventory are:
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs

What are the top-rated BMW 840Ci Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your BMW 840Ci based on customer reviews/ratings are:
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
from $3.99
(105)
Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition
“Very nice quality. Installed like factory. Ran great.”
Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX
from $11.99
(94)
Iridium IX Spark Plug: Single Iridium Fine Wire, BKR6EIX
“gas milage whet up”