BMW 503 Spark Plugs
Your One-Stop Shop For Trusted BMW 503 Spark Plugs
If you’re in search of BMW 503 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 6 Spark Plugs from top brands with prices ranging from $2.49 to $3.49.
Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your BMW 503. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Champion, ACDelco, and Autolite.
And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.
At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top BMW 503 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.
Essential BMW 503 Spark Plugs
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement L82C (Part No.811)
from
$2.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
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Product Features:
- Copper Plus – Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RL82C (Part No.874)
from
$2.49
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
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Product Features:
- Resists fouling
- Superior corrosion resistance
- Dependable and proven performance
- Increased conductivity and heat control for good overall wear
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.403)
from
$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.
Product Features:
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N5C (Part No.120)
from
$2.99
Dependable Performance, OE Replacement, N5C. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability with its Copper Plus technology. The OE type replacement plug resists fouling and boasts superior corrosion resistance. The nickel copper alloy center electrode allows for accurate control of heat range, ensuring a longer life and reliable performance. The flat seat type design further enhances its dependability.
Product Features:
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Product Features:
- Copper Plus – Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Enhanced Heat Control: The copper core electrode increases conductivity and heat control, ensuring good overall wear and a longer lifespan for the spark plug.
- Flat Seat Type Design: The flat seat type design of the Champion Copper Plus Small Engine Spark Plug further enhances its dependability and performance in various engine conditions.
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RN5C (Part No.123)
from
$2.99
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
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Product Features:
- Copper Plus – Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R43XL)
from
$3.49
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
Product Features:
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Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
BMW 503 Spark Plugs List
Spark Plugs Brands You Can Trust For Your BMW 503
3 trusted brands of Spark Plugs line our shelves, ready to help keep your BMW 503 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:
Popular Champion Spark Plugs
Champion products for the BMW 503 span several categories. Some of the highest-rated Champion Spark Plugs that will fit your BMW 503 are:
from
$2.99
(1)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RN5C
Spark Plugs
from
$2.49
(3)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement L82C
Spark Plugs
from
$2.99
(1)
Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N5C
Spark Plugs
Most Purchased BMW 503 Spark Plugs from Champion
When you buy the most frequently purchased Champion brand Spark Plugs, you can be confident it will be the right part for your BMW 503. Here are the Champion Spark Plugs Advanced Auto customers buy the most:
from
$2.99
(1)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RN5C
Spark Plugs
from
$2.99
(1)
Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, N5C
Spark Plugs
from
$2.49
(3)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement L82C
Spark Plugs
FAQs for BMW 503 Spark Plugs
What are the most purchased Spark Plugs for the BMW 503?
Out of 6 Spark Plugs for the BMW 503, the most popular in our inventory are:
from
$3.49
This product is not rated
Copper Core Spark Plug: Original Equipment Replacement
Spark Plugs
from
$3.49
This product is not rated
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
from
$2.49
This product is not rated
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RL82C
Spark Plugs
