$595.00 USD
$595.00 USD
















The Goldenwrench Blackline Performance S63/S68 Edition Red Engine Cap Set brings a precision-machined billet upgrade to the engine bays of BMW's most powerful M vehicles. Designed specifically for models equipped with the S63 or S68 engine, this cap set replaces the factory plastic oil and coolant caps with CNC-formed T6 aluminum billet covers finished in a race-inspired Edition Red anodized coating.
Each cap is machined from high-grade T6 aluminum and anodized in Edition Red to complement the factory engine cover's visual presence. All Blackline Performance logos and decorative markings are finalized through a precision 3D milling process, machined directly into each cap for a permanent, premium finish that requires no maintenance. The cap covers attach directly to the top of the factory caps, preserving OEM functionality while adding a significant visual upgrade with minimal installation effort.
No tools are required for installation. Each billet cover clips or affixes over the factory cap in minutes, making this one of the most accessible engine bay upgrades available for S63 and S68 platform vehicles.
Product Details
Included in the Set
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.