Zimmermann
Zimmermann COAT Z 150.1278.20 Brake Disc/Rotor for BMW 5 Series Saloon & Touring, 300 x 20 mm (300x20), Vented, High-Carbon HC Cast Iron, Anti-Rust Coated, OE Replacement, Direct Fit Upgrade
Zimmermann COAT Z 150.1278.20 Brake Disc/Rotor for BMW 5 Series Saloon & Touring, 300 x 20 mm (300x20), Vented, High-Carbon HC Cast Iron, Anti-Rust Coated, OE Replacement, Direct Fit Upgrade
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BMW 5 Series 300 x 20 mm ventilated coated brake rotor by Zimmermann - Part No. 150.1278.20
Refresh your stopping power with this premium OE-spec replacement rotor, designed to deliver consistent braking and clean looks mile after mile. Part number 150.1278.20 features a protective COAT Z finish that helps deter surface rust on the hub and edges, a ventilated design for effective heat control, and high carbon construction for stable performance under repeated use. Ideal for drivers who want reliable, quiet, confidence-inspiring braking on their BMW 5 Series without compromising quality.
- Direct-fit rotor for BMW 5 Series owners seeking an OEM-level replacement that performs and lasts
- Ventilated design aids cooling to support consistent pedal feel on daily commutes and spirited road drives
- Anti-corrosion coating keeps the hub looking tidy behind your wheels and helps reduce sticking during installation
- High carbon casting promotes stable friction characteristics and helps resist judder
- Precision machined for smooth operation, low noise and a reassuring bite
- Trusted in our workshop and rated highly by customers for dependable braking performance
Technical details
| Part number | 150.1278.20 |
| Diameter | 300 mm |
| Thickness | 20 mm |
| Type | Ventilated |
| Material | High carbon |
| Finish | COAT Z protective coating |
Fitment guidance
Suitable for BMW 5 Series applications. Variations exist across model years and engines, so please confirm fitment before ordering. Add your UK registration or the last 7 of your VIN at checkout and we will verify compatibility prior to dispatch.
Professional installation
For fitting, choose MJ Modifications in Warwickshire. Our team installs these rotors regularly and can supply pads, fluid and hardware on request. To arrange installation or get a quote, email info@mjmodifications.co.uk.
What is included
1 x Zimmermann COAT Z high carbon ventilated coated brake disc, part number 150.1278.20, 300 mm diameter and 20 mm thickness. Supplied as a single rotor. Order quantity 2 for both sides of an axle.
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