$595.00 USD
$595.00 USD








Have you been considering building your F80 / F82 / F87 Comp but weren't sure where to start? Unsure of what components to pair for the best possible power and reliability combination? We receive inquiries daily from S55 owners interested in building their engine but unsure where to start.
The 5150 AutoSport Complete Engine Build Kit features every component you need to fortify your BMW S55 internally and prepare your engine for high power, high boost applications. These components are the combination that we have had the most success with and recommend as a result.
Please note that each engine kit requires a consultation before shipping, and one of our engine build advisors will contact you regarding your piston configuration, compression ratio, etc. before shipment.
This kit includes:
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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.