HEL BMW F32, F33 & F36 4 Series Stainless Steel Front & Rear Braided Brake Lines

Enhance your braking performance and pedal response with the HEL Performance stainless steel braided brake line kit for the BMW F32 Coupe, F33 Convertible, and F36 Gran Coupe. This front and rear kit replaces factory rubber hoses with high-grade stainless steel lines, delivering sharper braking feel and consistent performance under pressure.

Each HEL brake line is hand-assembled in the UK using a PTFE inner core, stainless steel braided outer layer, and a protective PVC cover. Swaged stainless steel fittings ensure leak-free connections and long-lasting durability. With superior heat and pressure resistance, these lines are the perfect upgrade for fast road and performance driving.

Key Features:

• Compatible with BMW F32, F33 & F36 4 Series
• Full front and rear brake line replacement kit
• Eliminates brake fade and spongy pedal feel
• Durable stainless steel braided construction with PTFE core
• High-quality stainless steel (303/304) fittings
• Includes HEL Lifetime Warranty

Technical Specifications:

• Line inner material: PTFE
• Line outer material: Stainless steel (303/304) with PVC cover
• Fittings material: Stainless steel (303/304)
• Temperature range: -70°C to 260°C (-94°F to 500°F)
• Inside diameter: 3.5mm (0.138")
• Outside diameter: 7.5mm (0.295")
• Maximum working pressure: 290 Bar (4206 PSI)
• Burst pressure: 870 Bar (12618 PSI)
• Minimum bend radius: 38mm (1.496")

What’s in the Box?

• Stainless steel braided brake lines (front & rear)
• Stainless steel banjo bolts (if required)
• Copper crush washers (if required)
• Lifetime warranty keyring fob
• Installation leaflet

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.