Bosch 0 986 478 032 Brake Disc/Brake Rotor 255x12.7mm Solid 4-Stud 4-Hole for BMW 3 Series E21 Saloon | OE-Spec Plain Oiled Disc | Replacement Rotor | 0986478032

Bosch OE-spec rotor for BMW 3 Series E21 - 255 mm, 4-hole, solid, oiled surface

Restore crisp, confidence-inspiring braking on your classic BMW with this Bosch brake rotor engineered to OE specification. Manufactured to tight tolerances for true running and reliable pedal feel, this solid one-piece disc is the ideal bolt-on solution when you want factory-like performance without compromise.

We fit these in our own workshop at MJ Modifications and they have become a go-to choice for E21 owners who value smooth, consistent stopping and long service life. Feedback from customers has been excellent on fit quality, balance, and overall braking refinement.

Key reasons to choose this Bosch rotor

• OE pattern rotor built by Bosch - trusted quality for classic BMW braking systems
• Factory-spec dimensions for hassle-free installation - 255 mm diameter, 12.7 mm nominal thickness, 4-hole hub
• Solid disc design for durability and stable thermal behaviour on the road
• Protective oil film applied from new to guard the friction faces during storage and transport
• Clean, predictable bite and excellent modulation with OE-style pads
• Great choice for enthusiasts looking to maintain original driving feel on BMW E21 saloon models

Who is it for

Ideal for owners refreshing a classic BMW braking system, restorers chasing OEM authenticity, and daily drivers wanting a quality rotor that fits first time and performs as expected.

Specifications

Brand	Bosch
Manufacturer reference	0 986 478 032
Alternate reference	0986478032
Disc style	Solid
Surface	Oiled from factory
Outside diameter	255 mm
Nominal thickness	12.7 mm
Bolt pattern	4-hole

Fitment guidance

Suitable for BMW 3 Series E21 saloon applications that require a 255 mm, 4-hole, solid rotor with 12.7 mm nominal thickness. Vehicle brake setups can vary, so please confirm your existing disc dimensions and mounting before ordering.

Free compatibility check

For peace of mind, we will verify suitability before dispatch. UK customers can provide their registration at checkout, or share the last 7 of the VIN, and we will confirm the match for your BMW E21.

Professional fitting available

Prefer expert installation? MJ Modifications offers professional fitting at our Warwickshire workshop. Request a quote at info@mjmodifications.co.uk.

Helpful tips

• Always replace brake discs in axle pairs and use new pads for best results
• Clean the protective oil from the friction faces before installation
• Follow a proper bedding-in procedure to optimise performance

Search terms customers use

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Part number: 0 986 478 032 | 0986478032