BMW 3 Series (E90 / E91 / E92 / E93) Front Brake Caliper Piston Repair Rebuild Kit 57mm (2005 - 2011)
- Stok Durumu: Stokta Var
- Marka: Ithal
- Stok Kodu: KRC4592
Bu Ürünü Sevdiklerinize Önerebilirsiniz
BMW 3 Series (E90 / E91 / E92 / E93) Front Brake Caliper Piston Repair Rebuild Kit 57mm (2005 - 2011)
Engineered specifically for the fifth generation BMW 3 Series (2005 - 2011 / E90 Sedan, E91 Touring, E92 Coupe, E93 Convertible) equipped with 57mm front disc brake systems, this premium 57mm Front Brake Caliper Repair Kit is designed to eliminate hydraulic fluid leaks, resolve caliper seizing, and overhaul sticking front brake piston mechanisms.
Composed of high-grade, heat-resistant rubber seals and protective dust boots, this rebuild kit restores tight hydraulic pressure during high-performance driving, resolves spongy brake pedal issues, and ensures your front braking system operates with factory-spec efficiency.
Why Should You Rebuild Your BMW E90 Front Brake Calipers?
Since the front braking system handles over 70% of the vehicle's stopping weight, the front calipers on the BMW E90 endure intense mechanical stress and high thermal loads. Over time, environmental exposure to road salt, brake dust, and moisture tears the protective piston dust boots. This allows humidity inside the housing, causing the 57mm caliper piston to rust, seize up, and drag against the brake rotor, directly compromising braking performance and fuel efficiency.
Common symptoms of a failing front caliper seal include:
The vehicle pulling to one side during braking due to uneven front caliper pressure.
Steering wheel shaking or pedal vibration/pulsation during deceleration due to uneven pad drag.
Visible brake fluid leaks around the front caliper assembly and dropping fluid reservoir levels.
Excessive brake dust, burning odors, and uneven or premature wear on the front brake pads and rotors.
This 57mm piston diameter seal kit allows you to completely rebuild your existing assembly, bypassing the extreme cost of purchasing a completely new factory caliper housing.
Key Product Features:
Precise 57mm Fitment: Designed as an exact direct match for BMW E90 / E91 / E92 / E93 front disc brake calipers.
Premium Rubber Elastomers: Superior resilience against heavy brake fluids (DOT 4) and extreme front axle thermal cycles.
Comprehensive Front Component Set: Includes high-quality piston dust boots, internal hydraulic pressure seals, and slider pin boots for a full service.
Cost-Effective Engineering: Restores maximum braking safety efficiently without discarding the expensive original caliper body.
Vehicle Compatibility & Technical Specifications
Specifications & Rebuild Data Table
| Specification | Details / Values |
| Product Name | Front Brake Caliper Rebuild Kit (Seals & Boots Set) |
| Piston Diameter | 57 mm |
| Compatible Vehicles | BMW 3 Series Platform (E90 / E91 / E92 / E93) |
| Model Years | 2005 - 2011 |
| Placement on Vehicle | Front Axle (Fits both Left and Right sides) |
| Engine Configurations | 316i, 318i, 320i, 320d, 325i, 330i, 330d (Fits All 57mm Front Disc Models) |
Installation Tip: Because front axle braking performance is vital for vehicle safety, always apply a thin layer of specialized high-temperature brake cylinder assembly paste to the new rubber seals and the piston to prevent tearing during insertion. Perform a complete brake system bleed afterward.