BMW 11-11-1-308-657 Tensioner

( Manufacturer Part Number: 11-11-1-308-657 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 1988 1989 1990 1991 ), ( Parts Included: Only Part Reference 18 On The Diagram Is Included )

Review BMW Genuine Tensioner fits 1988–1991

BMW 11-11-1-308-657 Tensioner: Precision Engine Component for Optimal Performance

The BMW 11-11-1-308-657 Tensioner is an essential engine component designed specifically for BMW vehicles. This tensioner plays a crucial role in maintaining the proper functioning of the serpentine belt system, which powers multiple accessories in your BMW engine, including the water pump, power steering pump, and alternator.

The BMW 11-11-1-308-657 Tensioner is meticulously engineered using high-quality materials to ensure durability and reliability. It is designed to withstand the intense conditions of a BMW engine, providing consistent performance over time. The tensioner's robust construction includes a durable metal housing and a precision-machined pulley. The pulley is designed to smoothly and evenly distribute the tension applied by the serpentine belt, ensuring optimal belt life and consistent accessory operation.

The BMW 11-11-1-308-657 Tensioner features a self-adjusting design, allowing it to automatically compensate for belt wear or expansion due to temperature changes. This self-adjusting feature ensures that the tension on the serpentine belt remains consistent, reducing the risk of belt slippage and preventing potential damage to other components in your engine.

Installing the BMW 11-11-1-308-657 Tensioner is a straightforward process, making it an ideal choice for DIY enthusiasts and professional mechanics alike. The tensioner comes complete with all necessary hardware for a hassle-free installation. By replacing your worn-out tensioner with this BMW original part, you can restore your engine's performance and ensure the longevity of your serpentine belt and accessories.

In summary, the BMW 11-11-1-308-657 Tensioner is an essential engine component that delivers optimal performance, reliability, and durability. Its precision engineering, self-adjusting design, and easy installation make it an excellent choice for maintaining the health and longevity of your BMW engine.

The BMW 1 Series (E87) 1.1-1.3 liter engines use a timing chain instead of a timing belt. However, these engines require a tensioner to keep the chain in place and maintain proper tension. One specific part for this system is the BMW 11-11-1-308-657 tensioner. In this response, we will discuss the potential pros and cons of buying this BMW timing chain tensioner.

1. OEM Part: The BMW 11-11-1-308-657 tensioner is an original equipment manufacturer (OEM) part. It is designed, engineered, and manufactured by BMW to fit and function perfectly with the BMW 1 Series engines.

2. Quality: As an OEM part, it is built to last and meet the high standards of BMW. It is more likely to provide a reliable and long-lasting solution compared to aftermarket alternatives.

3. Peace of Mind: By using a genuine BMW part, you can have peace of mind knowing that it is specifically designed for your vehicle and comes with a manufacturer's warranty.

1. Cost: Original BMW parts, including the 11-11-1-308-657 tensioner, can be more expensive than aftermarket alternatives. This is due to the higher manufacturing and research costs associated with OEM parts.

2. Availability: Depending on the specific model and year of your BMW 1 Series, the 11-11-1-308-657 tensioner may be harder to find at local dealerships or parts stores. You may need to order it online or wait for it to be shipped from a BMW dealer.

The BMW 11-11-1-308-657 tensioner is a crucial part for maintaining the proper tension of the timing chain in your BMW 1 Series engine. While it may come with a higher cost compared to aftermarket alternatives, using an OEM part ensures the best possible fit, quality, and peace of mind. If you value reliability and the confidence that comes with using genuine BMW parts, the additional cost may be worth it.

If you are looking to replace the timing chain tensioner on your BMW 1 Series (E87) engine, it is recommended to invest in the BMW 11-11-1-308-657 tensioner. This OEM part will provide the best fit, quality, and peace of mind for your vehicle. While the cost may be higher than aftermarket alternatives, the long-term benefits and reliability make it a worthwhile investment.

Details:

Accurate fitment for all BMW model's. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. We proudly support BMW drivers, independent repair facilities, and DIY enthusiasts throughout the Chicago land area across country. Parts must be resalable and in the original packaging.

Electrical parts are not returnable.

part #: 11111308657 prices

• $83.76-$124.75

specifications tensionpull:

• for makes: Bmw
• for years: 1988-1991
• mpn: 11-11-1-308-657
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• year: 1988 1989 1990 1991
• parts included: Only Part Reference 18 On The Diagram Is Included

offer tensionpull:

• sold: 0
• quantity: 1
• started: December 19, 2025
• options: Ship-to-home
• availability: In Stock

returns tensionpull:

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

seller tensionpull:

• # reviews: 0
• rating: 0.0%
• city: Elmhurst, Illinois

general tensionpull:

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

shipping tensionpull:

• transit: 3-7 Days
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver
• type: Fixed
• carrier: UPS
• class: Standard, Expedited, One-day
• cost: $0.00

payments tensionpull:

• credit card: Diners-club
• wallet: Paypal
• other

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