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Air and Fuel Superchargers, Turbochargers and Components

Big Boost

Turbo Upgrade Kit for BMW B48

$4,200.00 $3,650.00 Save $550.00

SKU: BIGBOOST600

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Big Boost B48 "BIGBOOST600" is a turbo upgrade kit designed for the BMW B48 engine. This kit features a BigBoost MPR 50mm turbo capable of 50 lb/min airflow and a cast twin-scroll manifold with runners 40% larger than stock.

Included components consist of aviation-grade stainless steel oil feed lines, various oil and coolant fittings, a turbo-to-throttle body charge pipe, a turbo inlet pipe, silicone couplers, hose clamps, and an Aeroquip coolant hose kit. The kit also comes with an engraved engine bay placard and an EWG mounting kit.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBig Boost
Part NumberBIGBOOST600
CategoryAir and Fuel

Buy with Confidence

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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