DOCRace M3 M4 M2C S55 Single Turbo Kit

Convert your BMW S55 to a DOCRace single turbo setup with a top-mount manifold and Turbosmart turbocharger and 45mm wastegate.

The kit features a six-to-one collector, V-band turbo connection, 3.5-inch downpipe connecting to the factory mid-pipe location, heat shield, and stainless oil feed and drain lines. Installation requires no cutting of the lower belly pan.

Full Size and Kompact turbo configurations are available. The Kompact setup retains compatibility with the OEM carbon brace. Charge pipe configurations support the factory dual-inlet charge cooler or a DOCRace/CSF single-inlet cooler. Open-dump and recirculated wastegate configurations are offered.

Starting price: $7,200 USD. Final pricing depends on configuration. DOCRace currently quotes a build time of up to eight weeks.

Turbo size, wastegate routing, charge pipe selection, fitment and current lead time must be confirmed before ordering.

The items installed or applied to vehicles are intended strictly for off-road use only and track vehicles. These modifications may not comply with emissions, safety, or environmental regulations required for public road use under Environmental Regulatory Agency (ERA) laws. It is the sole responsibility of the vehicle owner or operator to ensure adherence to all applicable local, state, and federal regulations. Use on public roads may result in legal penalties or vehicle impoundment. Always verify compliance with local authorities before installation.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

If you're unsure whether a part will fit your vehicle, feel free to contact us here with your inquiry. Our helpful sales team will reach out to confirm if it's the right match for you.

We offer a flat-rate shipping fee across the continental United States. This excludes Alaska, Hawaii, and U.S. territories. For international orders, additional shipping costs will apply. Please contact us for a quote if you are outside the continental U.S.

Also, feel free to also contact us at ColoradoN5X@Gmail.Com for any other questions.

Not all items are covered by warranty. Items including warranty, will clearly state that there is warranty within the product description. Most of these items will be a standard 1-year warranty against manufacture defects. You, the customer, will be responsible for shipping and handling. We will fix/replace that item with a product that is in working condition if you meet the warranty criteria. Please note that you will be allowed ONLY 1 claim within the year for that product. ColoradoN5X is not responsible for any damage caused during the installation of our products.