BMW 12311274833 Alternator Tensioner Bar Bolt Nut

( Manufacturer Part Number: 12311274833 ), ( Part Type: Alternator Bar Bolt ), ( Country/region Of Manufacture: Germany )

Review BMW Oem Genuine Alternator Tensioner Bar Bolt And Nut fits M20 E12 E21 E28 E30 Z1

The BMW M20 alternator tensioner bar bolt nut, part number 12311274833, is an essential component for maintaining the proper functioning of the alternator system in various BMW models, including E12, E21, E28, and E30, as well as the Z1. This bolt nut plays a crucial role in securing the tensioner bar that adjusts the belt tension for the alternator and other accessories.

This bolt nut is manufactured to BMW's exacting standards, ensuring a precise fit and reliable performance. It is made from high-quality steel and undergoes a rigorous manufacturing process to ensure its durability and longevity. The nut features a hexagonal head with a 15mm diameter, allowing for easy installation and removal using a socket wrench or a combination wrench.

The BMW M20 alternator tensioner bar bolt nut is designed to work seamlessly with the tensioner bar and the alternator, helping to maintain the correct belt tension. Proper belt tension is essential for the optimal performance of the alternator and other accessories, including the power steering pump and the air conditioning compressor.

When it comes time to replace the alternator tensioner bar bolt nut, it's important to use a genuine BMW part like the 12311274833. Using aftermarket parts can lead to compatibility issues, incorrect fitment, and potential safety risks. By using a genuine BMW part, you can be confident that you're getting a component that's been engineered and manufactured to the same high standards as the rest of your BMW vehicle.

Overall, the BMW M20 alternator tensioner bar bolt nut, part number 12311274833, is an essential component for maintaining the proper functioning of the alternator system in various BMW models. It's manufactured to BMW's exacting standards, ensuring a precise fit and reliable performance. When it comes time to replace this component, using a genuine BMW part is the best choice for ensuring proper fitment, optimal performance, and the continued safety and reliability of your BMW vehicle.

The BMW M20 alternator tensioner bar bolt nut (part number: 12311274833) is a critical component for ensuring the proper functioning of the alternator in BMW E12, E21, E28, E30, and Z1 models. Below are some potential pros and cons associated with buying this part.

1. OEM (Original Equipment Manufacturer) part: This bolt nut is a factory-original part, ensuring a perfect fit and optimal performance.

2. Enhanced durability: Replacing a worn-out or damaged bolt nut with a new one can help prevent potential alternator failure and extend the life of the component.

3. Improved reliability: A new bolt nut can help maintain the tension required by the alternator belt, ensuring a consistently strong power supply to the vehicle's electrical system.

1. Cost: Buying a new OEM bolt nut can be more expensive than purchasing aftermarket alternatives.

2. Availability: Depending on the specific BMW model and the availability of the part from dealerships or distributors, it may take some time to receive the part.

If you value the peace of mind that comes with using OEM parts, and if you have the budget for it, purchasing the BMW 12311274833 M20 alternator tensioner bar bolt nut is a solid investment in your vehicle's longevity and reliability. However, if cost is a concern, you may want to consider exploring aftermarket alternatives. Just be sure to thoroughly research the brands and compatibility before making a decision.

Details:

Sedan, Convertible, Wagon or Coupe. Multiple quantity items may vary slightly depending on stock hand, but will always be the same quality or better than pictured. BMW OEM GENUINE M20 ENGINE ALTERNATOR TENSIONER BAR, BOLT NUT IN GOOD CONDITION. Part fitment will vary due to several different factors: The vehicles build date month year.

Manual or Automatic transmission Engine size. Electric/Manual, Leather/Vinyl, Sport/Standard etc.

part #: 12311274833 prices

• $31.45-$74.90

specifications tensionpull:

• for models: M20, E12, E21, E28, E30, Z1
• for makes: Bmw
• mpn: 12311274833
• part type: Alternator Bar Bolt
• country/region of manufacture: Germany

payments tensionpull:

• other
• wallet: Google-pay
• credit card: Mastercard

offer tensionpull:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• best offers: True
• started: May 1, 2025

seller tensionpull:

• city: Athol, Idaho
• rating: 99.7%
• # reviews: 12150

returns tensionpull:

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

general tensionpull:

• Engines Engine Parts > Timing Components Kits > Tensioners Pulleys
• condition: Used

shipping tensionpull:

• class: Standard, Expedited
• cost: $10.00
• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 3-6 Days
• carrier: USPS

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