BMW 82-79-5-A08-687 Lock Barrels Key

( Manufacturer Part Number: 82-79-5-A08-687 ), ( Part Type: Lock ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review BMW Genuine Lock Barrels Key

The **BMW 82-79-5-A08-687 lock barrel** is a precision-engineered component designed exclusively for BMW vehicles equipped with the **A08 transponder key system**, a sophisticated security mechanism introduced in the late 1990s and early 2000s. This lock barrel is a critical part of the ignition and door lock mechanism, ensuring seamless operation while maintaining high levels of security against unauthorized access. Crafted with meticulous attention to detail, the **82-79-5-A08-687** is compatible with a range of BMW models, including select versions of the **E38 7-Series, E39 5-Series, E36 3-Series, and E53 X5**, among others, where the A08 transponder key system was standard. The barrel features a robust internal structure, including a **high-precision tumbling mechanism** and a **transponder chip interface**, which works in tandem with the key s embedded microchip to authenticate and authorize ignition and door unlocking functions. Constructed from durable materials, this lock barrel is designed to withstand the demands of daily use while maintaining smooth operation, even under varying environmental conditions. Its compatibility with **A08 transponder keys** ensures that it integrates flawlessly with BMW s advanced anti-theft technology, providing both convenience and security. Whether replacing a worn or damaged barrel or upgrading an existing system, this component is an essential upgrade for maintaining the integrity and functionality of your BMW s locking mechanism. For optimal performance, it is recommended to use this barrel in conjunction with an **authentic A08 transponder key** and to follow BMW s recommended installation and maintenance procedures.

### **Pros and Cons of Buying a BMW 82/79/5-A08-687 Lock Barrel Key**

1. **Compatibility and Functionality** This key is designed for BMW vehicles with the **A08 transponder chip system**, which includes models like the **E31 8 Series (1990 1999), E38 7 Series (1994 2001), and E52 Z8 (1999 2003)**. It provides reliable ignition and central locking functionality, ensuring proper operation of the vehicle s security system.

2. **Transponder Chip Integration** The key contains an **A08 transponder chip**, which is necessary for modern BMWs to prevent theft and ensure the engine starts. Without a proper transponder key, the vehicle may not start or could be vulnerable to hot-wiring.

3. **Aftermarket Reliability** If sourced from a reputable supplier, this key should work as effectively as an OEM (Original Equipment Manufacturer) key. Many aftermarket keys are programmed to match the vehicle s immobilizer system, reducing the risk of compatibility issues.

4. **Cost-Effective Alternative to OEM Keys** Purchasing an aftermarket key is often cheaper than buying a new OEM key from a BMW dealership, making it a practical solution for owners who need a replacement without breaking the bank.

5. **Easy Installation (If Needed)** Unlike some older BMW key systems, the A08 transponder is relatively straightforward to program, especially if the vehicle has a **diagnostic port (OBD-II)** or if a professional locksmith is available to handle the process.

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1. **Potential Counterfeit Risks** If the key is purchased from an untrusted seller (e.g., eBay, unknown online marketplaces, or shady locksmiths), there is a risk of receiving a **fake or low-quality key**. A counterfeit key may not work, could damage the vehicle s immobilizer, or fail during critical moments.

2. **Programming Issues** While the A08 system is not as complex as later BMW transponder systems, improper programming can still cause problems. If the key is not programmed correctly, the vehicle may **not start, display error codes, or require a dealer visit for reprogramming**.

3. **Limited Longevity of Aftermarket Keys** Unlike OEM keys, aftermarket keys may wear out faster, especially if the transponder chip is of inferior quality. Over time, the key may fail to trigger the immobilizer, requiring replacement.

4. **No Warranty or Guarantee** Many aftermarket keys come without a warranty, meaning if they fail or do not work, the buyer is left with no recourse. OEM keys, in contrast, typically come with a manufacturer s warranty.

5. **Potential Void of Vehicle Warranty** In some cases, using aftermarket keys (especially if installed improperly) could technically void certain aspects of the vehicle s warranty, though this is rare and usually only applies if the key causes mechanical damage.

6. **Risk of Theft or Loss** Like any key, this one can be lost or stolen. If the original key is lost and only an aftermarket duplicate exists, the vehicle could be at risk if the key is misplaced.

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Buying an **A08-687 transponder key** for your BMW can be a **practical and cost-effective solution** if you source it from a **trusted supplier** and ensure proper programming. It provides the necessary security and functionality for older BMW models with the A08 system, avoiding the high cost of OEM replacements.

However, the **primary risks** counterfeit keys, programming errors, and lack of warranty must be carefully considered. If you are unsure about the key s authenticity or programming, consulting a **reputable BMW locksmith or dealership** may be the safer option, despite the higher cost.

For most owners who need a **reliable, budget-friendly replacement** and can verify the seller s credibility, this key is a **good choice**. But if the vehicle is still under warranty or if you prefer peace of mind, an OEM key from a dealership remains the most secure option.

- Purchase from a **well-reviewed supplier** (e.g., specialized BMW key shops, eBay sellers with high ratings, or trusted locksmiths).

- Ensure the key is **properly programmed** (preferably by a professional).

- Keep a backup key in a safe place to prevent lockouts.

- Visit a **BMW dealership or authorized service center** for an OEM replacement, even if it costs more.

- If the vehicle is no longer under warranty, an aftermarket key from a **verified source** is a reasonable alternative.

Ultimately, the decision depends on **budget, trust in the supplier, and the urgency of the need**. For most owners of older BMWs, a **high-quality aftermarket A08 key is a solid choice** when purchased responsibly.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 82795a08687 prices

• $43.08-$51.16

specifications carlockiio:

• for makes: Bmw
• mpn: 82-79-5-a08-687
• part type: Lock
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement

offer carlockiio:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 14, 2026
• availability: In Stock

shipping carlockiio:

• transit: 4-8 Days
• service: Standard
• cost: $7.99
• type: Fixed
• class: Standard

general carlockiio:

• condition: New
• Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware

returns carlockiio:

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

payments carlockiio:

• credit card: Visa
• other
• wallet: Paypal

seller carlockiio:

• # reviews: 15
• city: Springfield, New Jersey
• rating: 100.0%

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