BMW 7506776 Timing Chain Exhaust Camshaft 02-05E66

( Manufacturer Part Number: 7506776 ), ( Part Type: Timing Chain Exhaust Camshaft ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: 11367506776 ), ( Vintage Part: No ), ( Country Of Origin: Germany )

Review BMW Genuine Timing Chain Exhaust Camshaft fits E65 745I

The BMW 750/i (E65/E66) model, produced from 2002 to 2008, is renowned for its luxurious comfort and powerful performance. One of its essential components is the timing chain and exhaust camshaft. This complex assembly plays a crucial role in the engine's smooth operation.

The BMW 750/i 4.4L V8 engine houses a dual overhead camshaft (DOHC) design, where the exhaust and intake camshafts are located in the cylinder head above the pistons. The exhaust camshaft is responsible for opening the exhaust valves to allow the spent exhaust gases to exit the engine. The timing chain and its associated components, including the timing chain tensioner, guide rails, and sprockets, ensure the precise synchronization of the camshafts and crankshaft.

The BMW 750/i timing chain and exhaust camshaft (BMW part number: 7506776) is a high-performance component designed to provide reliable and efficient engine operation. The chain itself is made of robust materials that can withstand the extreme temperatures and pressures inside the engine. It features roller-type chain guides and tensioners to ensure proper chain tension and minimize wear.

The exhaust camshaft, which is driven by the timing chain, features hollow camshaft lobes designed to reduce the weight of the camshaft and improve engine response. The camshaft lobes have a precise profile to optimize the intake and exhaust valve events for maximum power and efficiency.

Replacing the timing chain and exhaust camshaft assembly on a BMW 750/i is a complex task that requires specialized tools and expertise. The assembly is typically replaced as a complete unit during routine maintenance or engine rebuilds to maintain the engine's optimal performance. Proper installation and adjustment of the new components are essential to ensure the engine runs smoothly and efficiently.

In summary, the BMW 750/i (E65/E66) 4.4L V8 engine's timing chain and exhaust camshaft (part number: 7506776) is a critical component that ensures the precise synchronization and operation of the engine's valve train. It is a high-performance assembly designed for durability and reliability, featuring robust materials, hollow camshaft lobes, and advanced tensioning systems. Replacing this assembly is a complex task best left to experienced professionals to maintain the vehicle's optimal performance and longevity.

The BMW 7 Series E65/E66 models, specifically the 750i and 745i variants, came equipped with N54 and N52 engines respectively, which use a timing chain instead of traditional camshaft belts for their valvetrain actuation. While the timing chain design offers several advantages, including reduced maintenance requirements and improved reliability, it also comes with some potential downsides.

1. Reduced maintenance: Timing chains eliminate the need for periodic belt replacement, which can save owners money and time in the long run.

2. Improved reliability: The absence of belts means fewer potential failure points, leading to a more robust powertrain.

3. Smoother operation: Timing chains offer a more consistent and consistent camshaft phasing, resulting in better engine performance and fuel efficiency.

1. Higher cost for repair: When the timing chain fails, it can be a costly repair due to the labor-intensive nature of the replacement process and the need for specialized tools.

2. Potential for noise and vibration: Timing chains can create more noise and vibration compared to camshaft belts, especially when the vehicle is cold or under heavy load.

3. Limited aftermarket support: Due to the relatively recent adoption of timing chains in BMW engines, aftermarket support for repairs and upgrades may be limited.

In conclusion, while the use of a timing chain in the BMW 7 Series E65/E66 engines offers several advantages, including reduced maintenance requirements and improved reliability, it also comes with the potential for higher repair costs and increased noise and vibration. Ultimately, the decision to purchase a used BMW 7 Series with a timing chain should be based on a careful consideration of these factors, as well as the individual's personal preferences and priorities.

If you are in the market for a used BMW 7 Series with a timing chain, it is recommended to have the vehicle inspected by a trusted mechanic to assess its current condition and identify any potential issues before making a purchase. Additionally, consider the availability and cost of repairs and maintenance for the specific model and engine.

Details:

Condition: Good. OEM Genuine BMW '02-04 e66 E65 745I Timing Chain Exhaust Camshaft 7506776. Shipping: Free.

part #: 7506776 prices

• $47.99-$173.30

specifications parthick:

• for models: E65, 745i
• for makes: Bmw
• mpn: 7506776
• part type: Timing Chain Exhaust Camshaft
• manufacturer warranty: 1 Month
• oe/oem part number: 11367506776
• vintage part: No
• country of origin: Germany

shipping parthick:

• cost: $0.00
• carrier: UPS
• service: UPS Ground
• class: Standard
• type: Calculated
• transit: 2-6 Days

offer parthick:

• started: March 4, 2026
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• best offers: True

seller parthick:

• rating: 100.0%
• # reviews: 1374
• city: Philadelphia, Pennsylvania

returns parthick:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

payments parthick:

• credit card: Discover
• other
• wallet: Apple-pay

general parthick:

• condition: Used
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