Tarox Front 350mm Brake Kit - Super Sport - 4 Series (excl M4)

Italian-engineered big brake conversion for BMW 4 Series - front axle - excludes M4

Take your stopping performance to the next level with this premium performance brake upgrade designed for the BMW 4 Series range excluding M4. Built in northern Italy and finished to an exceptional standard, this package blends road comfort with track-ready control, delivering powerful, repeatable braking and superb pedal feel.

We have installed this setup on customer cars and in our own projects, and the feedback has been outstanding. If you are looking for a serious braking upgrade for fast road, spirited driving or track days, this is a top-tier choice that integrates seamlessly with factory systems.

Key specs

• Caliper model - B34GT-10 ten-piston aluminium billet caliper
• Disc size - 350 mm two-piece vented rotors
• Minimum wheel size - 18 inch
• Front axle fitment - BMW 4 Series only, excludes M4

Why this upgrade

• Multiple pistons distribute clamping force evenly for consistent pad contact and confident braking
• CNC-machined from solid alloy for strength, reduced weight and excellent heat stability
• Outstanding pedal response with smooth, linear modulation
• Designed to work with the original master cylinder and factory electronics including ABS
• Handmade to order in Italy for exceptional quality control

Pad compounds included at no extra cost

• Strada - fast road
• Corsa - fast road and occasional circuit use
• Competizione - track only

Disc styles

Supplied as standard with F2000 discs. Sport Japan, D95 and C83 patterns available on request at no extra cost.

Finish options

• Hard anodised grey or black for maximum durability
• Colour anodised calipers available on request. Take extra care when using wheel cleaners as acid-based products can mark the finish

Maintenance

O-ring sealed pistons keep out dust and debris, so routine strip-downs are not required. Only trained professionals should disassemble calipers if replacement components are needed.

Lead time

This brake package is handmade to order to suit your specification. Typical build time is up to 14 days.

Perfect for

• BMW 4 Series owners seeking a serious front brake upgrade without changing the master cylinder
• Fast road driving, touge runs and occasional track days
• Drivers who want confident deceleration, heat management and even pad wear

Part reference

Caliper part number - B34GT-10

Fitting and support

Professional installation available at MJ Modifications, Warwickshire. Email info@mjmodifications.co.uk for a fitting quote or to confirm wheel clearance.

Images for reference only.

Search-friendly terms

BMW 4 Series brake upgrade kit, big brake kit 350 mm, BBK front axle, performance brake package, uprated brakes, 10 piston caliper upgrade, two-piece vented rotors, track day braking system, fast road brakes, Italian performance brakes, BMW coupe brake conversion, Gran Coupe brake upgrade, 4 Series stopping power.