BMW E46 E39 E60 M54 Engine Crankshaft 1403866 - Used Original Parts

Description

Product Title

BMW E46 E39 E60 M54 Engine Crankshaft 1403866 - Used Original Parts

Diagnosis and Common Symptoms

From a workshop perspective, a crankshaft failure in the M54 engine is a terminal event, not a gradual decline. The primary indicators are not subtle warnings but catastrophic symptoms. You will experience a severe, deep-seated engine vibration originating from the bottom end, often accompanied by violent knocking or grinding sounds that signify internal mechanical collapse. This is frequently followed by a sudden engine seizure where the motor locks up completely.

On the diagnostic side, the DME will be overwhelmed with secondary fault codes. Expect to see multiple misfire codes (e.g., P0300, P0301-P0306), crankshaft position sensor faults (P0335) due to the inability to get a coherent signal, and knock sensor codes triggered by the extreme mechanical noise. On the dashboard, an immediate "Check Engine" light, an oil pressure warning, and potentially an "Engine Malfunction" message will appear just before the failure.

Introduction

The crankshaft is the very heart of your M54 engine's famously smooth and balanced operation. This is a Genuine BMW crankshaft, carefully removed from a fully operational, road-tested vehicle. Each unit is subjected to a rigorous inspection process, including verification of journal surfaces and straightness checks. By choosing a tested, genuine component, you are ensuring the restoration of your engine's core integrity and factory-spec reliability.

Product Details

• Brand: BMW
• Model Compatibility: E46 (325i, 330i), E39 (525i, 530i), E60 (525i, 530i), and other chassis equipped with the M54 engine.
• Part Name: Engine Crankshaft
• Part Number: 1403866
• Condition: Genuine Used (Tested Working)
• Notes: Journals have been professionally inspected and measured to confirm they are within BMW factory specifications. The unit has been checked for straightness to ensure perfect rotational balance.

Frequently Asked Questions

Q: What symptoms indicate failure? A: The most common symptoms are catastrophic: a loud, deep knocking from the bottom of the engine, severe vibration felt throughout the car, a sudden loss of oil pressure, and ultimately, a completely seized engine that will not turn over.

Q: Does this require coding? A: No. A crankshaft is a core mechanical component and does not have any electronic properties. It requires no programming or coding for installation.

Q: Is this original? A: Yes. This is a Genuine BMW part removed from a donor vehicle, not an aftermarket reproduction. It retains all original factory markings and material composition.

Why Choose Us?

• Verified functionality
• Actual photos/videos provided
• 30-day exchange warranty
• Journals are professionally measured and confirmed to be within BMW's factory tolerance, guaranteeing proper bearing clearance and oil pressure.

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

Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.

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.

Compatible Models