Air and Fuel Superchargers, Turbochargers and Components

Spool Performance

S58 Upgraded Stock Location Twin Turbo Kit

$4,699.00

SKU: SP-S58-SL-IFX1100T

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Spool Performance BMW S58 Upgraded Stock Location Twin Turbo Kit is designed to fit all models equipped with the BMW S58 engine. This kit offers a significant performance upgrade, capable of supporting over 1000 horsepower. It features turbos with newly cast turbine housings, billet compressor wheels, and increased A/R size for enhanced power delivery.
Show original supplier description
The Spool Performance BMW S58 Upgraded Stock Location Twin Turbo Kit represents a substantial performance enhancement for vehicles equipped with the BMW S58 engine. These twin turbos are engineered to fit in the stock location, providing a direct upgrade path for enthusiasts seeking to push their vehicles beyond 1000 horsepower. The kit incorporates advanced design elements, including newly cast turbine housings and robust billet compressor wheels, alongside an increased A/R size to optimize airflow and power output.
Vehicle Symptoms
  • Loss of power under hard acceleration
  • Check engine light and reduced boost pressure
  • Turbo whistle or whine that has changed tone
  • Excessive smoke from exhaust under load
  • Boost gauge reading lower than peak normal
Diagnostic Codes
  • P0234 – Engine Overboost Condition
  • P0299 – Turbo/Supercharger Underboost
  • P0236 – Turbo/Supercharger Boost Sensor A Range/Perf
  • P0238 – Turbo/Supercharger Boost Sensor A Circuit High
  • P0033 – Turbo/Supercharger Bypass Valve Control Circuit
Relevant Conversations
  • BMW S58 turbo upgrade 1000hp kit
  • S58 stock location twin turbo replacement cost
  • S58 low boost after tune fix
  • P0299 S58 turbo underboost code
  • Spool Performance S58 twin turbo kit review
  • S58 upgraded turbos compared to Pure
  • S58 turbo whistle louder than normal forum
  • Best turbos for S58 engine 1000+ hp
  • S58 turbo replacement labor time BMW
  • S58 need new turbos after tune misfire

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSpool Performance
Part NumberSP-S58-SL-IFX1100T
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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