Kinetix Performance
FOR BMW 335i 340i 435i 440i FRONT 340mm - 380mm M3 CALIPER CONVERSION BRACKETS
FOR BMW 335i 340i 435i 440i FRONT 340mm - 380mm M3 CALIPER CONVERSION BRACKETS
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Description
Description
🔧 BMW M2 M3 M4 F8x 380mm Front Brake Conversion Upgrade Kit
Upgrade your standard 340mm brakes to BMW M2 / M3 / M4 OEM 380mm specification delivering exceptional braking performance, improved heat management, and a true M Performance appearance.
✅ KIT INCLUDES
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🔩 High-Tensile Laser Cut Brackets – precisely engineered for a perfect bolt-on fit
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⚙️ 12.9 Grade High Tensile Bolts – built for maximum safety and durability
🏗️ PREMIUM ADAPTER QUALITY – BUILT TO LAST
The brake adapters are manufactured from high tensile SG strength steel, not cheap aluminium that can flex or crack under heavy braking.
Each adapter is HH machined from a single solid block of steel no welds, no weak points.
To ensure long-term durability, they’re also powder coated to resist rust and corrosion, offering both strength and a clean OEM-style finish.
FITMENT & CLEARANCE
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These will fit behind OEM 18" alloy wheels with a 12mm spacer
🚗 SUITABLE FOR THE FOLLOWING MODELS
BMW M135i (F20/F21)
BMW M140i (F20/F21)
BMW M235i (F22/F23)
BMW M240i (F22/F23)
BMW 335i (F30/F31/F34)
BMW 340i (F30/F31/F34)
BMW 435i (F32/F33/F36)
BMW 440i (F32/F33/F36)
To complete this conversion, you will need the following OEM parts:
Front Brake Calipers (BMW M 4 Pot):
Left: 34116799465
Right: 34116799466
Front Brake Discs (BMW M2 / M3 / M4 – 380x30mm):
Left: 34112284809
Right: 34112284810
Brake Pads:
Choose pads to suit your driving style and performance needs (OEM, fast road, or track options available).
🛠️ Ideal for enthusiasts looking to achieve true M Performance braking power combining OEM BMW parts with precision-engineered, heavy-duty steel adapters that are made to outlast and outperform.
Shipping
Shipping
Shipping Times
We will endeavour to deliver your order within 3–5 working days, provided the goods are in stock, unless a longer delivery period is clearly stated on the specific product page.
If we are unable to meet this delivery timeframe, we will contact you within 5 days of receiving your order to arrange an alternative delivery date. If the alternative date is not suitable, you will have the option to cancel your order and receive a refund.
Please note that deliveries to Northern Ireland, the Isle of Man, the Isles of Scilly, the Scottish Highlands, and Scottish Islands may take longer than 3–5 working days. Please contact us before ordering if express delivery is required.
In some cases, we may contact you with a shipping quote where the cost of delivery to your chosen destination is not available at the time of order.
UK Delivery
We offer free delivery across mainland UK, unless otherwise stated.
Additional delivery surcharges apply to the following postcodes and areas:
AB31–AB56, BT, GY, HS, IM, IV, JE, KW, PA20–PA78, PH, PO, ZE, and all offshore islands.
For UK customers, all applicable postage, taxes, and charges shown at checkout must be paid upfront. Tracking is included where available, allowing you to monitor your order through to delivery.
International Customers
Standard international delivery is usually provided on a Delivered Duties Unpaid (DDU) basis.
This means duties and taxes are not paid at checkout. The buyer will be responsible for paying any duties, taxes, customs fees, or carrier charges required upon delivery in the destination country.
Where international shipping costs are not available at checkout, we may contact you with a delivery quote before dispatching your order.
Why Choose A to Z Motor Spares Wakefield?
A to Z Motor Spares
Family-Owned & Trusted Since the 80s
With over 20 years of trading experience, we are a family-run business passionate about providing top-quality car parts at unbeatable prices. Our long history in the industry means you can trust us to provide the right parts for your car.
A to Z Motor Spares
Direct from Manufacturer
We buy directly from UK-based manufacturers, cutting out the middleman. This direct supply chain allows us to offer car parts at up to 30% cheaper than high street stores. Plus, our focus on UK suppliers ensures we help keep jobs local.
A to Z Motor Spares
High-Quality, UK-Based Products
We only work with trusted UK suppliers and manufacturers, ensuring you receive high-quality, reliable car parts. Whether you're looking for regular maintenance items or specific MOT parts, we have you covered.
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