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SHW Performance Front Left Drilled Lightweight Brake Rotor for 2021 BMW M3
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SHW 2021 BMW M3 / 21-22 BMW M4 Front Left Drilled Lightweight Brake Rotor (34108093709)

SHWBFL43851
0048544886889
Brake Rotors - Drilled
3 Units In Stock - Ships Next Business Day
$ 602.54 $ 482.03
$ 482.03

SKU: BFL43851 / UPC: 0048544886889

SHW Performance Front Left Drilled Lightweight Brake Rotor for 2021 BMW M3 / 2021-2022 BMW M4 

The SHW Performance Front Left Drilled Lightweight Brake Rotor (SKU: BFL43851, UPC: 0048544886889, OEM Part Number: 34108093709), engineered to deliver unmatched stopping power, heat dissipation, and durability for your 2021 BMW M3 and 2021-2022 BMW M4 (Base/Competition). Designed by SHW Performance, a global leader in brake disc manufacturing and OEM supplier to BMW Motorsport, this rotor is the pinnacle of performance braking technology. Outperforming all competitors, this rotor is the definitive choice for enthusiasts and performance drivers seeking superior braking precision, reduced weight, and motorsport-derived reliability.

Why SHW?

The SHW BFL43851 stands head and shoulders above other brake rotors due to its advanced engineering and premium construction:

Performance:

Cross-drilled design enhances heat dissipation and reduces brake fade, ensuring consistent stopping power during aggressive driving, track days, or spirited road use.

Lightweight Advantage:

Crafted with a lightweight, composite two-piece floating design (pin-drive system), this rotor reduces unsprung weight, improving acceleration, handling, and fuel efficiency compared to heavier OEM or aftermarket alternatives.

Motorsport Heritage:

Developed in collaboration with BMW Motorsport, this rotor brings race-proven technology to your M3 or M4, offering the same precision and reliability found in BMW’s M-series factory installations.

Durability:

Manufactured entirely in-house at SHW’s state-of-the-art facilities, including aluminum and iron casting plants, this rotor ensures exceptional quality control, corrosion resistance, and long-lasting performance under extreme conditions.

Fitment:

Designed as a direct OEM replacement, the BFL43851 guarantees seamless installation with no modifications required, maintaining your vehicle’s original braking characteristics while enhancing performance.

No other brake rotor matches the SHW BFL43851’s blend of lightweight construction, thermal efficiency, and motorsport pedigree, making it the best choice for discerning BMW owners who demand the ultimate in braking performance.

What’s Included in Your Purchase?

When you purchase the SHW Performance Front Left Drilled Lightweight Brake Rotor (SKU: BFL43851), you receive:

  • One (1) Front Left Brake Rotor: Specifically engineered for the driver’s side front axle.
  • Part Numbers:
    • SHW Performance Part Number: BFL43851
    • OEM Part Number: 34108093709
    • Additional OEM Cross-References: 34-10-7-889-661, 34.10.7.889.661
    • UPC: 0048544886889
  • Specifications:
    • Rotor Type: Two-piece, cross-drilled, ventilated, lightweight composite (pin-drive system)
    • Position: Front Left (Driver’s Side)
    • Dimensions: 18.9 inches (L) x 17.5 inches (W) x 3.5 inches (H)
    • Weight: Approximately 30.4 lbs
    • Material: High-quality cast iron with aluminum hub for reduced weight and enhanced durability
  • Packaging: Securely packaged to ensure safe delivery, with protective materials to prevent damage during shipping.

Note: This purchase includes the front left rotor only. Brake pads, hardware, or additional rotors (front right or rear) are not included but can be purchased separately to complete your braking upgrade.

Vehicle Fitment Data

The SHW BFL43851 Brake Rotor is precision-engineered for the following vehicles:

  • 2021 BMW M3:
    • Submodels: Base, Competition
  • 2021-2022 BMW M4:
    • Submodels: Base, Competition

This rotor is compatible with both standard and performance braking systems for these models, ensuring a perfect fit for your G80 M3 or G82/G83 M4. Always verify fitment with your vehicle’s VIN or consult a professional to confirm compatibility.

Request For Information

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