11377515868 Eccentric Valvetronic Camshaft for BMW N51 N52 Engines

BMW N51 N52 Eccentric Timing Camshaft – Technical Specifications

Why This BMW 11377515868 Eccentric Shaft Is a Reliable Choice

Choosing an aftermarket BMW 11377515868 Eccentric Shaft from a factory-direct supplier ensures technical accuracy, stable quality, and cost efficiency for professional workshops and distributors.

• OEM Blueprint Accuracy: This 11377515868 Valvetronic eccentric shaft is manufactured strictly to OEM dimensional drawings. Correct eccentric ramp geometry ensures smooth interaction with the Valvetronic motor, intermediate levers, and bearing journals, maintaining consistent valve lift control across the full operating range.
• Factory-Direct Manufacturing & Supply: As a direct manufacturer, we eliminate unnecessary intermediaries. This structure allows tighter quality control, predictable lead times, and competitive pricing for wholesale 11377515868 Valvetronic timing camshaft orders.
• OEM-Level Functional Verification: Each production batch is inspected for runout tolerance, journal diameter accuracy, and surface finish quality. This ensures the part meets OEM quality Valvetronic camshaft BMW N52 performance expectations from initial start-up.

For wholesale 11377515868 Valvetronic timing camshaft inquiries, our structure supports bulk orders for distributors and engine rebuilders with consistent quality and stable pricing.

Eccentric Camshaft Failure Causes in BMW N52 Engines

Eccentric camshaft wear in BMW N52 engines is most commonly linked to lubrication issues. Extended oil change intervals or oil contamination can cause scoring on the eccentric lobes and accelerated wear on bearing surfaces. In some cases, damage occurs on the sector gear teeth where the Valvetronic motor engages.

Typical failure symptoms include rough idle, clicking noises during Valvetronic calibration, reduced throttle response, or the engine entering limp mode. Early diagnosis and replacement of the BMW N51 N52 eccentric timing camshaft prevents secondary damage to the Valvetronic motor and intermediate levers.

When to Replace the BMW Valvetronic Eccentric Shaft

Replacement of the N52 Valvetronic Eccentric Shaft is recommended when diagnostic fault codes persist after verifying the Valvetronic motor and wiring. Physical inspection revealing scored lobes, worn bearing journals, or excessive shaft play confirms the need for replacement.

In real-world workshop experience, most failures occur between 100,000 and 150,000 miles, especially on engines with irregular oil service history. Installing a new 11377515868 camshaft replacement part restores precise valve lift control and stable engine behaviour.

FAQ

1. What are the common eccentric camshaft failure causes N52 engines face?

Failure is usually caused by insufficient lubrication, leading to scoring on the eccentric lobes, or wear on the sector gear teeth where the Valvetronic motor engages. This results in “clicks” during calibration or the engine entering limp mode.

2. When should I replace the BMW Valvetronic camshaft?

Replace the shaft when diagnostic codes indicate Valvetronic system faults that persist after checking the motor and wiring. Physical inspection revealing scored bearing surfaces, worn eccentric lobes, or excessive shaft play confirms replacement necessity. Symptoms include rough idle, hesitation during acceleration, increased fuel consumption, and engine management warnings. Most failures occur between 100,000 and 150,000 miles on engines with irregular oil service intervals.

3. How does this part relate to other N52 camshafts?

The eccentric shaft is separate from the normal intake and exhaust camshafts; it is dedicated to Valvetronic lift control. So a car may need both an N52 Valvetronic eccentric shaft and a conventional camshaft in severe cases, but often they are replaced independently depending on wear.

4. Can I install this without BMW-specific software?

No. After installing a new 11377515868 camshaft replacement part, you must use a diagnostic tool (like ISTA or a high-level scanner) to perform the “Start-up” procedure for the Valvetronic limit positions.

5. Should I replace the Valvetronic motor when changing the eccentric shaft?

Inspect the motor carefully. If mileage exceeds 120,000 miles or the motor shows bearing roughness when rotated by hand, consider simultaneous replacement. Labour costs dominate Valvetronic repairs—replacing both components at once saves future disassembly work. However, if the motor operates smoothly and diagnostic tests confirm proper function, shaft-only replacement is acceptable.

6. How should I prepare the engine before installing a new eccentric shaft?

Drain engine oil and remove the old filter. Clean the valve cover interior thoroughly—debris can score new bearing surfaces during initial operation. Inspect intermediate levers and rocker arms for wear; damaged levers increase shaft load and accelerate wear. Verify Valvetronic motor operation using diagnostic equipment. Fill the engine with fresh BMW LL-01 approved oil before starting.

7. What warranty coverage applies to eccentric shaft purchases?

We guarantee dimensional accuracy and workmanship quality. If a shaft arrives damaged or fails to meet OEM tolerances, we replace it at no charge. Warranty claims require photographs showing defects and confirmation that installation followed BMW service procedures. Coverage does not extend to damage from improper installation, contaminated oil, or extended service intervals.

8. Is this suitable for wholesale supply?

Yes. We support wholesale 11377515868 valvetronic timing camshaft orders.

9. What packaging and shipping can I expect?

The camshaft is shipped in a custom foam-secured box to prevent transit damage. We work with reliable freight partners to provide traceable delivery to most European destinations within a defined timeframe.

10. Is this an OEM quality Valvetronic camshaft BMW N52 replacement?

The target is OE‑equivalent function for valve lift control, so workshops and rebuilders can treat it as an OEM quality Valvetronic camshaft BMW N52 option while still buying through the aftermarket channel.

11. Is this suitable as an aftermarket BMW 11377515868 eccentric camshaft for engine rebuilds?

Engine remanufacturers often change the eccentric shaft as part of a full N52 top‑end rebuild to avoid early Valvetronic issues after installation. Using a single aftermarket BMW 11377515868 eccentric camshaft reference simplifies their parts list for every long block.

12. Do you offer technical support for professional installers?

Yes, we provide comprehensive technical support including installation guidance, torque specifications, timing procedures, and troubleshooting assistance. Our engineering team offers direct support to B2B partners to ensure successful installations and customer satisfaction.

13. How do I verify compatibility with specific engine codes?

Provide your vehicle’s VIN, model, year, and engine type, and we will verify compatibility free of charge to ensure you order the correct part.

14. What is your terms of delivery and payment?

EXW, FOB. Generally, 30% T/T deposit, and balance 70% T/T balance before delivery.

15. What is the ordering process and delivery time?

Please contact our sales team via the website or email for bulk pricing and quotations. Stocked items are shipped promptly, and special orders can be arranged with agreed delivery schedules.For the complete step-by-step ordering process, and our full terms, please view our Service Page.

Compatible Vehicle Model

The BMW 11377515868 Eccentric Shaft is widely utilized across the inline-six petrol range from the mid-2000s to the early 2010s. It is a frequent requirement for the following BMW platforms: