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BMW N55B30A Engine F25 235kW with Attachments
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N55B30A engine F25 235kw with attachments – ca 137Tkm

Original price was: 5.999,00 €.Current price is: 5.599,00 €.

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235 kW / 320 HP
Tested ca. 137,000 km
Complete with Attachments

Upgrade or replace your powertrain with a fully tested BMW N55B30A Engine F25 235kW. Sourced directly with an documented mileage of approximately 137,000 km, this 3.0-Liter TwinPower Turbo inline-six engine comes complete with key ancillary attachments—including the turbocharger, fuel injection system, intake manifold, and wiring harness—ensuring a plug-and-play installation for your BMW X3 F25 or compatible series.

  • ✔ Engine Code: N55B30A (3.0L Twin-Scroll Turbo Inline-6)
  • ✔ Includes Attachments: Turbocharger, High-Pressure Fuel Pump, Injectors, Alternator & Manifold
  • ✔ Compatibility: BMW X3 F25 (235 kW / 320 PS variant) & selecting F-Series BMW models
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Description

BMW N55B30A Engine F25 235kW Overview

If you are looking for a complete BMW N55B30A Engine F25 235kW, this factory-tested unit provides linear torque and 320 HP performance. This unit serves as the exact premium BMW X3 F25 3.0L N55 engine replacement for vehicles requiring a high-output 3.0L TwinPower Turbo motor. Sourced with a verified mileage of approximately 137,000 km, this BMW N55B30A engine with attachments includes factory accessories for a quick installation. Explore our catalog of BMW engines for more powertrain options.

Engine Code

N55B30A

3.0L TwinPower Turbo I6

Power Output

235 kW / 320 PS

Factory Performance Spec

Verified Mileage

ca. 137,000 km

Tested & Inspected

Delivery Scope

With Attachments

Turbo, Injectors, Alternator

BMW X3 F25 3.0L N55 Engine Replacement Features

The N55 engine series combines a single twin-scroll turbocharger, Valvetronic variable valve control, and High-Precision Direct Injection. Engineered to strict BMW engineering standards, every BMW N55B30A Engine F25 235kW delivers outstanding acceleration and efficiency.

Twin-Scroll Turbocharging

Dual-duct exhaust feeding eliminates lag and delivers immediate throttle response across low RPM ranges.

Valvetronic Technology

Variable valve lift control optimizes intake efficiency and smooths power output across all driving conditions.

Direct Fuel Injection

Solenoid injectors operate under high pressure for cleaner fuel atomization and improved combustion.

Aluminum Crankcase

All-aluminum engine construction reduces front axle weight to preserve ideal chassis weight distribution.

Complete BMW N55B30A Engine with Attachments

Buying a BMW N55B30A engine with attachments speeds up installation and eliminates missing component issues. This 235 kW unit comes pre-assembled with:

  • OEM Twin-Scroll Turbocharger: Complete with wastegate actuator and oil lines.
  • High-Pressure Fuel System: Sump-tested HPFP and original direct injectors.
  • Intake & Throttle Assembly: Fully mounted intake manifold with integrated sensor ports.
  • Alternator & Belt Drive: Factory charging unit and tensioner pulley setup.
  • Engine Wiring Harness: Factory engine loom ready for ECU plug-in.

Quality Inspection Standards

Every BMW N55B30A Engine F25 235kW undergoes mandatory testing before cataloging:

  1. Compression Testing: Cylinder pressure verified uniformly across all six cylinders.
  2. Borescope Inspection: Cylinder wall inspection confirms zero scoring or unusual wear.
  3. Oil Pressure Verification: Fluid check ensures clean bearing operation.
  4. Diagnostic Verification: Mileage of ca. 137,000 km is confirmed against vehicle records.

Vehicle Fitment Matrix

Chassis Model / Series Power Notes
BMW X3 (F25) xDrive35i 235 kW / 320 PS Primary N55B30A Fitment
BMW X4 (F26) xDrive35i 225 – 235 kW Compatible Swap
BMW 3 Series (F30/F31) 335i Power Kit 235 kW / 320 PS TwinPower Turbo I6
BMW 4 Series (F32/F33/F36) 435i M Performance 235 kW / 320 PS Direct Replacement

Technical Attributes Overview

Engine Model Code N55B30A
Displacement & Layout 2,979 cc (3.0 L) / Inline-6
Power Output Rating 235 kW / 320 HP @ 5,800 RPM
Documented Mileage ca. 137,000 km (137Tkm)
Delivery Scope Complete Engine + Turbo, HPFP, Injectors, Wiring Harness

Worldwide Freight Delivery

For shipping estimates or fitment validation on this BMW N55B30A engine with attachments, contact our service team via the Mechron Tech support portal.