Overview

SLG front M3 brake discs conversion 340mm - 380mm(F80 380mm brake discs on E81-E93, F20-F36)

SLG front M3 brake discs conversion 340mm - 380mm(F80 380mm brake discs on E81-E93, F20-F36)

Name: SLG front M3 brake discs conversion 340mm - 380mm(F80 380mm brake discs on E81-E93, F20-F36)
Brand: Turner Motorsport
Price: 319.44 EUR
Availability: InStock

Item No.: BBK380NM

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(Price excluding VAT) €264,00

€319,44

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Description

Product Details

This big brake adapter kit allows you to use the OEM F80 M3/F82 M4 Brembo Calipers and 380x30mm rotors on your non-M E8x or E9x, F2x and F3x. This kit includes everything you need, including special fasteners, except the M3/4 brake discs (See recommended items)

Part Numbers:

Calipers: Non-M Grey or Blue Front Calipers: 34116865538 and 34116850931. Marked 340 in the casting on the back. (m135i, m140i etc)
OEM Rotors: 34112284810 and 34112284809

Manufactured in the USA. They are CNC machined from billet 4140 steel, gold zinc coated, and have a safety factor of 6 so they are prepared to take whatever you can throw at them.

Critical to designing a big brake kit is not only the "bigger is better" mentality, but piston size, rotor torque, and brake bias which are all important primary factors. Without changing your brake booster or master cylinder this kit changes your brake bias by less than 1%. This ensures that the vehicle will retain a good initial bite, balance, and will have consistent pedal travel just like OEM.

The M3 & M4 calipers are a lightweight 2-piece design with stainless steel pistons. The stock 135i 6-pot Brembo is notorious for having the ceramic pistons crack after only a few track sessions. Even after you spend a bunch of money on new pistons and seals, the OEM brakes still have trouble slowing down these vehicles with just a small 338mm iron hunk they try to call a rotor that does not shed heat well. With this kit you are adding over 40mm of surface area of the rotor and using an aluminum rotor hat which cools down dramatically faster. On top of that this is still cutting weight from the system. See list of weights below. A potential loss of 2.4 pounds per corner of unsprung mass, while increasing the braking potential greatly. Truly a win/win upgrade.

Weights:

135i Brembo Caliper – 5,17 kg
135i Rotor – 10,2 kg
M3/M4 Caliper – 4,85 kg
M3/M4 OEM Rotor – 11,24 kg

Wheel Requirements:

Wheels must have barrel of 17" or greater to clear this setup. Fits most 18" wheels.

Instructions:

Remove brake hoses either at the caliper if you are reusing the original hoses or at the body if installing new hoses
Remove original calipers and rotors
Clean knuckle assembly of dirt and loose rust
Install brackets to each caliper using the Zinc-Coated Allen Head screws and red Loctite: Torque to 70 ft/lbs
Install 380mm F8X M3/4 rotor using the included security fastener
Bolt caliper and bracket assembly to the knuckle using the included flanged hex-head bolts and washers: Torque to 70 ft/lbs
Attach brake hose and bleed brakes

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SLG front M3 brake discs conversion 340mm - 380mm(F80 380mm brake discs on E81-E93, F20-F36)

Product Details

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