BMW M3 S65 Spark Plugs / NGK Platinum - LKR8AP
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Product Details
NGK Laser Platinum Spark Plug (LKR8AP / 4471) – BMW E9x M3 (S65)
Ensure your S65 V8 is performing exactly as the BMW Motorsport engineers intended.
The NGK LKR8AP (Part #4471) is the original equipment (OE) specified spark plug for the BMW E9x M3 S65 engine. Engineered for the high-revving, high-output nature of the S65 platform, these Laser Platinum plugs provide the consistent ignition stability and thermal durability required to maintain peak engine efficiency.
Why Choose NGK Laser Platinum for your S65?
The S65 engine is a masterpiece of engineering that relies on precise, high-speed combustion to produce its signature power and throttle response. These NGK plugs are designed to meet those specific demands:
OEM Reliability: Manufactured to strict BMW specifications, ensuring a perfect fit and seamless integration with your engine’s ignition system.
Platinum Center Electrode: The high-grade platinum tip offers exceptional resistance to wear and heat, ensuring a consistent spark gap and reliable ignition over the life of the plug.
Dual Earthed Electrode Design: Optimizes combustion stability and flame propagation, helping your V8 engine run smoothly from idle to the 8,400 RPM redline.
Superior Heat Management: Features a high-purity alumina silicate ceramic insulator for maximum dielectric strength and thermal dissipation, protecting against fouling and pre-ignition.
Interference Suppression: Built-in 5k Ohm resistor minimizes electromagnetic interference, protecting your vehicle's sensitive ECU and electronics.
Product Specifications
NGK Part Number: 4471
Short Code: LKR8AP
Thread Size: M12 x 1.25
Spanner Size: 16mm
Electrode Type: Platinum Center Electrode / Dual Earthed Electrodes
Application: BMW E90, E92, E93 M3 (S65 4.0L V8)
Performance Note
Servicing your spark plugs is one of the most critical steps in maintaining the longevity and responsiveness of the S65 engine. Whether you are daily driving your M3 or hitting the track, running fresh, factory-spec NGK plugs ensures your ignition system can keep pace with the demands of the S65’s high compression and aggressive timing maps.
Fitment: Sold individually. Please ensure you order the required quantity (8 per engine) for a complete service.
Shipping & Delivery
Shipping times vary from brand to brand. We're currently updating our product pages with accurate delivery dates.
For an estimated delivery date on this part, please email sales@cpcclubsport.com.
Why CPC Clubsport?
CPC Clubsport was started by two friends who've spent years building, driving and developing their own BMW M cars – on the road, on track and at the Nürburgring.
Around 90% of our range has been tried, tested or developed on our own cars. Every part is chosen for quality, reliability and a genuine purpose on track, and we're always happy to help you find the right fit for your car.
Need Help?
Not sure if this part fits, or which option is right for your car? Our team is happy to help.
Call us
07767 134595
Available Monday to Friday, 9am to 5pm.
Email us
sales@cpcclubsport.com
We aim to reply within 48 hours.
To help us give you the right answer first time, have your BMW model, chassis code, year and details of any existing modifications to hand.
You can also browse our FAQs or visit our contact page.
What our customers say
Excellent
5.0 out of 5 · Based on 15 reviews
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Bought the Infinity Design S65 Modular Carbon Plenum for my E9X M3. The finish is excellent and it completely transforms the look of the engine bay. It feels like a properly engineered piece rather than just a cosmetic upgrade. Really pleased with how it looks once fitted.
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I went with the Endless MX-72 Plus Brake Pads for my G8X and they've been a great upgrade. The pedal feels positive and the pads give plenty of confidence when braking hard. They also work well for normal road driving, which was important to me. CPC Clubsport made the whole ordering process easy.
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Ordered the Solid Billet Aluminium Oil Filter Cap for my BMW. It's a relatively small upgrade, but the quality and finish are excellent and it looks much better than the standard item. It arrived well packaged and fitted without any issues. Another quality part from CPC Clubsport.
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Bought the HEL Performance Carbon Fibre Brake Pad Shims for my F80 M3. The quality is excellent and they fitted perfectly with the brake setup. Everything arrived securely packaged and exactly as described on the website. A straightforward purchase from CPC Clubsport.
Reviewed: HEL Performance Carbon Fibre Brake Pad Shims F8X (Front)
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Had the Nitron NTR R3 Coilovers fitted to my E9X M3 and the difference is impressive. The car feels much more controlled and planted, particularly through faster corners. The adjustability is a big advantage as well, allowing the setup to be tailored to how I use the car. Excellent upgrade for a car that sees both road and track use.
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Fitted the Ferodo DS1.11 Brake Pads F8X (Front) to my F82 M4 and they've been excellent. The initial bite is strong and the braking feels much more consistent when pushing the car hard. They’re particularly impressive on track where the brakes stay predictable through repeated heavy braking zones. Very happy with the purchase and service from CPC Clubsport.
Reviewed: Ferodo DS1.11 Brake Pads F8X (Front)
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Ordered the MMX Performance 15mm Wheel Spacers & Bolt Kit for my G8X. The kit arrived complete and well packaged, and installation was straightforward. The spacers give the car a much better stance without going overboard. Really happy with how the car looks and with the quality of the kit.
Reviewed: MMX Performance 15mm Wheel Spacers & Bolt Kit - G8X
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Recently fitted the SG Motorworks S65 Unfiltered Velocity Stack Kit to my E9X M3. The quality of the kit is excellent and the finish looks great once installed. The engine sounds noticeably more aggressive under acceleration and the throttle response feels really sharp. Very pleased with the upgrade.
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Picked up the Millers Oil Motorsport CFS 10W-60 NT+ for my E9X M3. Ordering was straightforward and the oil arrived well packaged and quickly. I've used Millers in the car for both road driving and track days and have been very happy with it. Good quality product from a company that clearly understands performance BMWs.
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Recently purchased the Recaro Pole Position ABE Bucket Seat for my BMW. The quality and finish are excellent, and the seat gives a much more supportive driving position when pushing the car on track. It also looks fantastic in the interior. Very pleased with the purchase and the service from CPC Clubsport.
Reviewed: Recaro Pole Position ABE Bucket Seat
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Bought the BIMMERWORLD DCT OVERFILL/DRY BREAK KIT for my BMW and it was exactly what I was looking for. The kit arrived well packaged and the components feel very well made. Installation was straightforward and it makes servicing the DCT much easier. Good product and a smooth experience ordering from CPC Clubsport.
Reviewed: BIMMERWORLD DCT OVERFILL/DRY BREAK KIT
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Fitted the AP Racing CP9660 368mm Front Brake Upgrade to my F82 M4 and the improvement in braking performance is immediately noticeable. The pedal feels much more confidence-inspiring and the brakes remain consistent when used hard. The kit looks fantastic behind the wheels as well. Very impressed with the upgrade.
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Used Endless RF-650 during a brake service on my M3. The fluid was well packaged and arrived quickly from CPC Clubsport. After getting the car back on the road, the pedal feels firm and consistent, including during some spirited driving. A quality product and good service.
Reviewed: Endless RF-650 Brake Fluid 500ml
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Recently installed the Milltek OPF/GPF Back Exhaust on my F82 M4. The fitment was excellent and the quality of the system is exactly what you'd expect from Milltek. It gives the car a much better exhaust note without becoming unbearable on longer drives. Very happy with the result and the service from CPC Clubsport.
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Bought the MMX Lowering Springs for my BMW and I'm really pleased with the result. The ride height is noticeably better without making the car uncomfortable for everyday driving. The car also feels more composed through corners. Installation was straightforward and the finished stance looks much better.
Reviewed: MMX Lowering Springs
About CPC Clubsport
By drivers, for drivers
CPC Clubsport was founded by two friends with a lifelong passion for BMW Motorsport. We’ve spent years building, driving and developing our own cars, from the road to the track and the Nürburgring.
Around 90% of what we stock has been tried, tested or developed through our own cars and with friends along the way, and every product is chosen for quality, performance, reliability and a genuine purpose on track.