BMW F30 F10 X1 X3 N20B20 2.0L TwinPower Turbo Engine Gearbox From Japan – Original Used Halfcut Set

Description

Product Title

BMW F30 F10 X1 X3 N20B20 2.0L TwinPower Turbo Engine Gearbox From Japan – Original Used Halfcut Set

Diagnosis and Common Symptoms

As a Senior BMW Technician, I frequently see N20 units entering the workshop with critical failure points. The most prevalent issue is the timing chain and guide rail assembly, which can fail prematurely and lead to catastrophic engine damage. Common symptoms include a high-pitched whining noise that fluctuates with engine RPM, a "Drivetrain Malfunction" message on the iDrive, or rough idling caused by VANOS solenoid failure. You may also encounter fault codes such as 120408 (Charging pressure control: Switch-off as a consequence) or 130E20 (Inlet camshaft: Angle offset with respect to crankshaft outside tolerance). If your transmission is experiencing harsh downshifts or slipping under load (Fault code 420011), replacing the entire powertrain with a low-mileage Japanese import is often the most viable long-term solution.

Introduction

This is a high-grade Genuine Used N20B20 engine and gearbox assembly sourced directly from a Japanese-spec halfcut. In the BMW community, Japanese imports are highly coveted because vehicles in Japan typically cover lower mileage and adhere to a much stricter "Shaken" inspection and maintenance schedule. Each unit has been thoroughly tested for compression and oil pressure to ensure it operates within factory parameters. This complete powertrain set offers a plug-and-play solution that restores the original performance and refinement of your BMW.

Product Details

• Brand: BMW
• Model Compatibility: F30 3-Series, F10 5-Series, E84 X1, F25 X3
• Part Name: N20B20 2.0L TwinPower Turbo Engine and 8-Speed Automatic Gearbox Assembly
• Condition: Genuine Used (Tested Working)
• Notes: Sourced from a low-mileage Japanese donor vehicle. Includes turbocharger, fuel system, and primary sensors.

Frequently Asked Questions

Q: What symptoms indicate failure? A: Common indicators include metallic rattling noises from the front of the engine (timing chain slap), excessive oil consumption, white smoke from the exhaust, or persistent "Drivetrain Malfunction" errors accompanied by a significant loss of power.

Q: Does this require coding? A: The mechanical engine installation is straightforward; however, the Transmission Control Unit (TCU) and the Digital Motor Electronics (DME) will require ISN matching and coding to your vehicle’s immobilizer system (CAS/FEM) to ensure full functionality.

Q: Is this original? A: Yes, this is a Genuine BMW factory-installed unit. We do not deal in refurbished or aftermarket block assemblies; this is a complete set removed from a functioning BMW halfcut.

Why Choose Us?

• Verified functionality through rigorous mechanical inspection
• Actual photos/videos of the unit provided before shipping
• 30-day exchange warranty for peace of mind
• Expert technical support from BMW specialists regarding installation torque specs and fluid requirements.

Shipping

Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)

Warranty and Return Policy

• 30-day exchange warranty from the date of receipt.
• Proof of professional installation by a qualified workshop is required for warranty claims.
• No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
• Exchange only for confirmed internal electronic defects.

How to Order

1. WhatsApp us to confirm compatibility with your specific VIN.
2. Send your chassis number or a clear photo of your old unit label.
3. Confirm order details and stock availability.
4. Receive actual product photos and diagnostic test confirmation.
5. Make payment via bank transfer.
6. Item is shipped immediately with tracking details provided.

Contact Us

William – https://wa.me/60102992988 Lok – https://wa.me/60177720143

Price Notice

Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.