Description
The IM450 Turbo Upgradeis the perfect upgrade for BMW B46 and B48 engines for those seeking enhanced performance without sacrificing spool speed. This turbo offers stock-like spool characteristicswhile delivering a significantly stronger top-end power curve than the factory turbo. Engineered to utilize the OEM intake and charge pipe locations, it provides a seamless bolt-on upgrade with unmatched fitment.
Key Features:
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Resized exhaust housing (.64 AR) and compressor housing (.57 AR)for optimized airflow
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Optimized manifold exhaust pathfor improved flow and efficiency
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Reuses OEM wastegatefor easy installation
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Dual ceramic ball bearing designfor durability and responsive spool
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VSR machine balancedfor reliability at high RPM
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Larger compressor and turbine wheelsto maximize airflow and power gains
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No core exchange required — brand new recasted turbocharger
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Fits Gen1 B4x, B4xTU, and Mini/transverse engines (230i, 330i, 430i, 220i, 320i, 420i)
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1-year limited warrantyfor manufacturer defects
Compressor Housing Options:
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Standard (quieter than stock turbo)
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T51R Mod (for more aggressive turbo sound)
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Compressor Holes (for unique tone)
Note: Compressor housing tone modifications require an additional build week and a small extra cost.
Optional Installation Kit (Highly Recommended):
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OEM exhaust manifold gasket
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OEM coolant O-rings
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OEM oil O-rings
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OEM exhaust side studs
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OEM stud nuts
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OEM downpipe gasket
Important Notes:
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Lead time for turbochargers is typically 3-6 weeks.
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Plastic inlet pipes have been discontinued due to varying aftermarket intake setups; a 3-inch rubber couplerworks well for most installations.
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MINI turbochargers have integrated inlet compressor housings and do not support compressor mod housings—please select the normal option.
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Installation videos available upon request.
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International customers should contact us before placing orders.
Why Choose the IM450 Turbo?
If you want the best turbo upgrade for your B4x motorthat balances everyday drivability with strong power gains, the IM450 delivers with an excellent spool-up response and serious top-end power. It’s the upgrade of choice for enthusiasts who want more punch without the lag.
Ready to transform your BMW B46/B48 powertrain with precision-engineered turbo performance? The IPOSMotorsport IM450 Turbo Upgradedelivers reliability, power, and perfect fitment.
