from

$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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$512.99

NGK tinned copper core wire sets provide excellent OE fit, performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. As required on certain Europ

Product Features:

PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees C, inner insulation EPDM or silicone for best dielectric strength
STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier

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$216.14

The Bremi ignition wire set utilizes OE connectors and a copper core silicone wire that is waterproof, resistant to corrosion, high temperatures and vibration.

Product Features:

OE-Equivalent.
OEM style connectors for easy Installation.
Resistant to high temperatures, corrosion and vibration.
Ignition noise suppressed.

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$487.99

NGK tinned copper core wire sets provide excellent OE fit, performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. As required on certain Europ

Product Features:

PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees C, inner insulation EPDM or silicone for best dielectric strength
STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier

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$139.90

Bosch Distributor Caps and Rotors are made from top quality materials throughout to ensure high performance and long product life.

Product Features:

Superior Surface Finish
RFI Resistors (Asian) / RFI Suppression (European)
Installation Screws
Precision-machined Contacts
Finely -tooled Metal Mounting Sleeve (Asian)

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$79.99

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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$121.99

Distributor Cap and Rotor Kit

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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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$48.96

Distributor Rotor

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$37.49

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

Matches OE form, fit and function
Radio Frequency Interference (RFI) coating where applicable to minimize radio interference
Premium material used to maximize rotor durability and helps restore ignition to original condition
Constructed to withstand an engine environment
Application specific for this vehicle

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$49.99

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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$1.62

The task of the connector is to provide a reliable connection and transfer the electrical power – under extreme operating conditions. BERU connectors are designed in accordance with OEM requirements and equipped with original connecting pieces – irrespective of whether as a spark plug connector, ignition coil connector or distributor connector.

Product Features:

Premium Original Equipment replacement
Provides performance and dependability
Manufactured to meet OE specifications

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$15.78

The task of the wire end plug is to provide a reliable connection and transfer the electrical power – under extreme operating conditions. BERU connectors are designed in accordance with OEM requirements and equipped with original connecting pieces – irrespective of whether as a spark plug connector, ignition coil connector or distributor connector.

Product Features:

Premium Original Equipment replacement
Provides performance and dependability
Manufactured to meet OE specifications

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$39.99

Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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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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$34.99

As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

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$41.49

Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle’s ignition system performance.

Product Features:

Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure confidence and product reliability, every time.

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$81.99

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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$37.52

Delphi ignition coils feature precise spark timing response for increased fuel economy and faster crank-to-run. The ignition coils provide accurate electrical energy to create a voltage potential at the spark plug, providing for superior engine performance that adjusts to driving and environment conditions. Plus, like all Delphi ignition system components, they enable engine management systems to maintain tighter control over emissions, economy and performance.

Product Features:

Improved dwell accuracy decreases module and coil temperatures for greater reliability
Noise abatement material between laminations reduces audible coil noise
Cassettes have improved primary connector for greater ease of assembly compared to designs with one connector for each coil
Lower primary inductance provides high-speed performance
Early and precise electronic spark timing helps improve fuel economy and provides faster crank-to-run
Higher energy delivered to combustible mixture provides cleaner combustion to help manufacturers meet on-board diagnostics (OBD II) requirements
Direct connection to spark plugs (via small boot) eliminates spark plug wires
Composite iron coils provide programmable energy
Coil per cylinder dwell overlap electronics deliver better high speed performance and better heat dissipation compared to some conventional technologies
Coil per cylinder ramp and fire electronics decrease power dissipation and increase efficiency
Radio frequency interference (RFI)suppressor optional

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$70.99

Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:

Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues

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$8.29

ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Premium aftermarket replacement part
Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

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$10.99

Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:

0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Durability of an OE style plug combined with Power & Torque of high performance.
Withstands temperatures greater than 4000° Fahrenheit
Iridium TT

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$5.79

OEM specified special ground electrode configuration.

Product Features:

OEM specified special ground electrode configuration
Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
Wide range of part numbers for thousands of applications, including classic and collector cars
Lasts twice as long as most conventional plugs
100% pre-fired to assure reliable operation
U-Groove Conventional

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$4.79

Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa

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.

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$18.49

NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:

ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
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: Best for vehicles with OE fine wire iridium alloy plugs
Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance.
OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring a perfect fit and optimal performance.
Even Wear: Features a platinum pad on the ground electrode for even wear, particularly beneficial in distributorless ignition systems.
Fine Wire Tip Design: The fine wire tip design of the ILZFR6D11 model enhances ignition efficiency and performance.

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$5.79

Twin-Tip design enables faster flame propagation for more complete combustion.

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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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$9.99

Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:

0.6 mm finewire design improves ignitability
Patented V-trimmed platinum sidewire technology resists wear
OE equivalent design is engineered for every engine
Designed for better overall durability with virtually no gap erosion

1991 BMW 325i Ignition and Tune-Up Products

More 1991 BMW 325i Ignition and Tune-Up Products Categories

Essential 1991 BMW 325i Ignition and Tune-Up Products

NGK – Coil on Plug Boot (Part No.58941)

NGK – Spark Plug Wire Set (Part No.54221)

Bremi – Ignition Wire Set (Part No.F102015842BRM)

NGK – Spark Plug Wire Set (Part No.54212)

Bosch – Bosch Distributor Cap (Part No.F201024486BOS)

Carquest Premium – Distributor Cap (Part No.CAE1689)

Carquest Premium – Distributor Cap and Rotor Kit (Part No.CAE1835)

Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Bremi – Distributor Rotor (Part No.F20202973976BRM)

Beck/Arnley – Ignition Rotor (Part No.173-7908)

Carquest Premium – Distributor Rotor (Part No.DAA1232)

Beru – Beru Ignition Wire Connector (Part No.F104015834BER)

Beru – Ignition Wire End Plug (Part No.F1050459136BER)

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1049)

Carquest Premium – Ignition Coil (Part No.EBC1421)

DENSO – Direct Ignition Coil (Part No.673-9330)

Carquest – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.26C1016)

Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.0221504470)

Delphi – Direct Ignition Coil – (Coil on Plug) (Part No.F3005451026DEL)

Delphi – Ignition Coil (Part No.GN10571)

ACDelco – Double Platinum Spark Plug (Part No.41-828)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH20TT (Part No.4704)

DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, K20TXR (Part No.5063)

Motorcraft – Spark Plug (AGSP32FP) (Part No.SP-485)

NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILZFR6D11 (Part No.1208)

DENSO – PW16TT Platinum TT Spark Plug (Part No.4501)

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (Part No.5304)

Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP64)

Popular 1991 BMW 325i Ignition and Tune-Up Products Categories

1991 BMW 325i Ignition and Tune-Up Products

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