Description

BMW N20 F30 F20 F10 F25 Crankshaft Pulley Harmonic Balancer - Used Original Parts

Diagnosis and Common Symptoms

The crankshaft pulley harmonic balancer on the N20 engine is a critical component that dampens torsional vibrations generated by the crankshaft during operation. Failure of this component is common on higher-mileage N20 engines due to the rubber bonding layer degrading over time, causing separation between the inner and outer pulley sections. Common symptoms include a rattling or knocking noise from the front of the engine, especially noticeable at idle or during acceleration. Drivers often report a visible wobble in the pulley when inspected, along with an illuminated Check Engine Light triggered by erratic crankshaft position sensor readings (fault codes such as P0016 or P0336 may appear). Excessive vibration can also lead to premature wear of the auxiliary belt, alternator bearings, and A/C compressor pulley. In severe cases, complete separation of the balancer can cause the belt to come off entirely, resulting in loss of power steering assist and alternator charging while driving.

Introduction

This listing offers a Genuine Used BMW N20 Crankshaft Pulley Harmonic Balancer, sourced directly from a low-mileage donor vehicle during a professional dismantling process. Every unit is Tested for structural integrity, checking for proper adhesion between the hub and outer ring to ensure no separation or wobble is present. As a Genuine Used part, it retains the exact OE specifications required for correct engine balancing and vibration dampening. This part is ready for immediate installation and offers a reliable, cost-effective alternative to purchasing new.

Product Details

• Brand: BMW

• Model Compatibility: F30, F20, F10, F25 (N20 Engine)

• Part Name: Crankshaft Pulley Harmonic Balancer

• Condition: Genuine Used (Tested Working)

• Notes: Inspected for rubber degradation and hub separation; visually verified for trueness and balance prior to shipping.

Frequently Asked Questions

Q: What symptoms indicate failure? A: Look out for a rattling noise near the front of the engine, visible wobbling of the pulley, or a illuminated Check Engine light related to crankshaft position sensor faults.

Q: Does this require coding? A: No. This is a mechanical component and does not require any software coding or programming to the vehicle.

Q: Is this original? A: Yes, this is a 100% Genuine BMW part removed from an original vehicle. It is not an aftermarket reproduction.

Why Choose Us?

• Verified functionality
• Actual photos/videos provided
• 30-day exchange warranty
• Each pulley is checked for concentricity to prevent belt slippage and vibration issues after installation

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