Air and Fuel› Superchargers, Turbochargers and Components

BMW

B48C Turbocharger

$3,531.00

SKU: 11658662071

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

Moderate — 2–4 hours

Overview

The Genuine BMW 11658662071 is a replacement turbocharger designed for B48C engines in various BMW G-chassis models. It is specifically listed as compatible with the BMW 3 Series G20 320i and 320ix, BMW 3 Series G21 320i, BMW 5 Series G30 520i, BMW X Series X3 G01 (including X3 20i, X3 20ix & X3 30ex), and BMW X Series X4 G04 20ix.

This turbocharger is a direct replacement part from BMW, ensuring genuine fitment and quality. The product is new and comes with a manufacturer's warranty. Compatibility can be confirmed using a vehicle's registration number or VIN prior to checkout.
Show original supplier description
The Genuine BMW B48C Turbocharger is an OEM direct-fit replacement designed to restore factory power and reliability for specific G-series BMW models. This turbocharger is engineered for vehicles equipped with the B48C 2.0 turbo petrol engine, offering precise fitment without requiring modifications. It is an ideal solution for replacing a tired, leaking, or underperforming turbo, ensuring a return to crisp throttle response and smooth OEM performance. This turbocharger is compatible with a range of BMW models, including the 3 Series G20/G21 320i and 320ix (06/2018-12/2019), the 5 Series G30 520i (07/2018-12/2019), the X3 G01 20i, 20ix, and 30ex (05/2018-12/2019), and the X4 G04 20ix (05/2018-12/2019). The part number for this unit is 11658662071. Professional fitting is recommended for optimal results and warranty compliance. The manufacturer offers a two-year warranty for UK customers and a one-year warranty for international customers when a VIN is provided at checkout on compatible vehicles. The manufacturer is BMW, ensuring authentic OEM quality.
Vehicle Symptoms
  • Loss of power during acceleration
  • Loud whining or screeching from turbo area
  • Check engine light with boost-related codes
  • Excessive exhaust smoke
  • Limp mode under heavy throttle
Diagnostic Codes
  • P0234 – Engine Overboost Condition
  • P0236 – Turbo/Super Boost Sensor Range/Perf
  • P0237 – Turbo/Super Boost Sensor A Ckt Low
  • P0238 – Turbo/Super Boost Sensor A Ckt High
  • P0243 – Turbo Wastegate Solenoid A Malf
  • P0244 – Turbo Wastegate Solenoid A Range/Perf
  • P1252 – Turbo Boost Press Low
  • P1253 – Turbo Boost Press Not Det
  • P1700 – Wastegate Solenoid Ckt Malf
Relevant Conversations
  • BMW 320i B48 turbocharger replacement guide
  • B48 turbo whining noise on acceleration
  • P0234 engine overboost B48 520i fix
  • 11658662071 turbocharger OEM vs aftermarket
  • BMW X3 20i limp mode turbo underboost
  • B48 turbo smoke from exhaust cause
  • Genuine BMW B48C turbocharger install time
  • What oil feed lines needed when replacing B48 turbo
  • BMW G20 320i turbo failure symptoms forum
  • BMW 520i turbocharger replacement cost

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

BrandBMW
Part Number11658662071
CategoryAir and Fuel
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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.

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