BMW 34-21-1-154-448 Drum Brake Shoe Hold Down Spring

( Part Type: Spring Brake Down ), ( Manufacturer Part Number: 34-21-1-154-448 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review BMW Genuine Drum Brake Shoe Hold Down Spring fits 318I 1985

The BMW 34-21-1-154-448 drum brake shoe hold down spring is an essential component of your BMW's braking system. This part is specifically designed for drum brakes, which are commonly found in older BMW models and some rear axle applications.

The drum brake shoe hold down spring is responsible for securely holding the brake shoes against the drum when the brakes are applied. This ensures that the friction material on the shoes makes consistent contact with the drum, enabling the car to stop effectively and safely.

This particular spring is made from high-quality, heat-resistant steel, ensuring it can withstand the extreme temperatures generated during heavy braking. It features a durable, zinc-coated finish that protects against corrosion and wear, ensuring longevity and reliability.

The spring is designed to fit BMW models with a 34mm inside drum diameter and a 21mm inside drum width. Its length is 154mm, and it has a total width of 448mm. The spring's wire diameter is 0.8mm, and it has 12 active coils, allowing it to provide the necessary tension and hold down force for the brake shoes.

Installing this drum brake shoe hold down spring is a straightforward process, but it is essential to ensure that it is properly seated in its housing and that the brake shoes are correctly aligned with the drum. If you are unsure about the installation process, it is recommended that you consult with a qualified mechanic or refer to your vehicle's service manual.

In summary, the BMW 34-21-1-154-448 drum brake shoe hold down spring is a crucial component of your BMW's braking system responsible for securely holding the brake shoes against the drum. Made from high-quality, heat-resistant steel with a durable zinc coating, this spring ensures consistent contact between the shoes and the drum for effective and safe braking. It is designed to fit BMW models with a 34mm inside drum diameter and a 21mm inside drum width, with a length of 154mm and a total width of 448mm.

1. Ensures Proper Brake Functioning: A faulty or worn-out drum brake shoe hold down spring can lead to poor brake performance or even failure. Replacing it with a new one ensures that your brakes function optimally.

2. Safety: A properly functioning brake system is crucial for safety. A worn-out or damaged spring can compromise the safety of your vehicle by reducing the effectiveness of your brakes.

3. Long-Term Savings: While the cost of a drum brake shoe hold down spring may seem significant upfront, it can save you money in the long run by preventing more extensive brake system repairs or replacements.

1. Cost: Replacing a drum brake shoe hold down spring can be an expensive repair, especially if you choose to have it done at a dealership or auto repair shop.

2. DIY Installation Complexity: Installing a drum brake shoe hold down spring can be a challenging task, especially for those without automotive experience. It may require specialized tools and knowledge.

The decision to buy a BMW 34-21-1-154-448 drum brake shoe hold down spring depends on your priorities and circumstances. If you value safety and optimal brake performance, replacing a faulty or worn-out spring is a worthwhile investment. However, if you're on a tight budget or prefer to minimize your repair costs, you may want to consider alternative solutions or prioritize other repairs.

If you decide to replace the drum brake shoe hold down spring, it's recommended to research reliable aftermarket part suppliers or consider purchasing the part from a BMW dealership to ensure quality and fit. If you're not confident in your ability to perform the installation yourself, consider having it done by a professional mechanic.

Details:

Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. In-stock orders ship within 24 hours.

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part #: 34211154448 prices

• $11.38-$58.68

specifications boomersbrake:

• for models: 318i
• for makes: Bmw
• for years: 1985
• part type: Spring Brake Down
• manufacturer part number: 34-21-1-154-448
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement

payments boomersbrake:

• credit card: Discover
• wallet: Paypal
• other

returns boomersbrake:

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

offer boomersbrake:

• availability: In Stock
• quantity: 4
• sold: 0
• started: November 16, 2025
• options: Ship-to-home

general boomersbrake:

• Car Truck Parts Accessories > Brakes Brake Parts > Brake Pad Shoe Hardware
• condition: New

shipping boomersbrake:

• cost: $8.95
• service: Standard, Expedited, Overnight
• class: Standard, Expedited, One-day
• transit: 4-8 Days
• type: Fixed

seller boomersbrake:

• rating: 99.5%
• # reviews: 1799
• city: Irvine, California

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