Genuine BMW 340x30 Front Ventilated Brake Disc/ Rotor (Drilled & Grooved) - F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 - Fits M135i M235i 335i 335d 435i 435d - OEM 34106797602 (Single)

BMW Front 340 x 30 Vented Performance Disc, Slotted and Cross-Drilled, OEM Ref 34106797602

Looking for a factory-original braking upgrade that delivers sharper bite, confident stopping and a premium look behind your wheels? This genuine BMW 340 mm x 30 mm front vented rotor with slotted and cross-drilled face is the ideal direct replacement for selected F Series models. It is a bolt-on fit for the platforms below, bringing improved wet weather performance, better gas and dust evacuation and reduced unsprung mass for a more responsive front end.

Part number: 34106797602

Why choose this genuine BMW rotor

• Factory-original quality and fit for peace of mind, built to BMW specifications
• 340 mm diameter, 30 mm thickness, vented construction for consistent cooling and fade resistance
• Slotted and cross-drilled face helps clear water film, gases and debris for a clean, strong initial bite
• Lightweight sports design contributes to reduced unsprung weight and improved steering response
• OEM look that complements open-spoke alloys and M Sport brake setups
• Direct replacement on compatible models, no additional hardware required for the listed applications

Compatibility

Front axle use on the following BMW F Series chassis and trims when equipped with the compatible 340 mm system:

• 1 Series: F20, F21 including M135i
• 2 Series: F22, F23 including M235i
• 3 Series: F30, F31, F34 including 335i and 335d
• 4 Series: F32, F33, F36 including 435i and 435d

Fitment guidance:

• M135i and M235i with standard braking system. Front and rear lightweight sports discs can be installed without extra measures
• 335i, 335d, 435i, 435d with standard brakes. Front axle lightweight sports discs can be installed without extra measures
• Vehicles factory equipped with 17 inch or 18 inch BMW M Sport brakes. Perforated and slotted lightweight sports discs can be installed front and rear without extra measures

What you receive

• 1 x Genuine BMW front vented disc, 340 mm x 30 mm, slotted and cross-drilled

This listing is for a single rotor. For a complete front axle refresh please add quantity 2.

Install notes

• Bed-in carefully for the first 200 km. Full performance is achieved after this period
• Due to the slotted and perforated design, some functional brake noise may occur. This does not affect durability or stability
• Always install new pads with new discs and torque fixings to BMW specifications
• Approved only with at least 17 inch or 18 inch aluminium wheels, including winter wheels
• No registration entry required. Approval-relevant data does not change

Tried and trusted by enthusiasts

At MJ Modifications we run these on our own shop cars and our customers consistently report stronger pedal feel, dependable stopping power in the wet and a great OEM+ appearance. If you want a hassle-free, genuine solution for your F Series upgrade or replacement, this is the part to choose.

Professional fitting

Need installation? MJ Modifications is based in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk

Part details

• Manufacturer: Genuine BMW
• BMW part number: 34106797602

Warranty

Two years manufacturer warranty for UK customers and one year for international customers when a compatible VIN is supplied at checkout.

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