BMW E21 323i Rear brake splash plate
| Brand: | ZEDPERFORMANCE® |
| Product Code: | 323i-splash-plate |
| SKU : | e21-rear-brake-cover |
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£219.99 VAT incl.
Available Options
BMW E21 323i rear brake backing plates – left and right pair
New aftermarket rear brake backing plates for the BMW E21 323i. The price is for one pair: one left plate and one right plate. They are not sold separately. These parts are also called rear brake splash plates, dust shields or protection plates.
Why replace the rear backing plates?
After decades behind the rear wheels, the original steel plates can rust through, crack around the edges or become bent. An E21 owner described old shields (splash plates) with so many rust holes that they looked like “Swiss cheese”. Another found that repaired plates were rubbing against the brake discs and making an intermittent noise.
On the E21 323i with rear disc brakes, this plate does more than shield the disc. It also forms the backing for the drum-style handbrake inside the rear disc. The handbrake shoe retaining pins locate through slots in the plate. If those areas have rusted away, replacing only the handbrake shoes and springs will not repair their mounting points.
Check the plates when working on:
- Rear brake discs or a full rear brake rebuild.
- Handbrake shoes, springs or retaining pins.
- A scraping noise caused by a bent or loose plate touching the disc.
- Rust around the edge of the shield or the handbrake shoe mounting slots.
Worth checking before ordering handbrake parts: remove the rear disc and inspect the metal where the shoe retaining pins attach. The shoes and springs may be serviceable, but badly corroded slots in the backing plate can stop the handbrake assembly from being held securely.
Fitment and BMW part numbers
- Fits: BMW E21 323i with rear disc brakes.
- Left plate: BMW 34211119791.
- Right plate: BMW 34211150298; earlier reference 34211119792.
- Supplied: one left and one right aftermarket plate.
These original BMW part numbers are difficult to source new. An E21 parts specialist currently lists both sides as unavailable. This pair offers a replacement for a rear brake and handbrake restoration without relying on used, potentially rusted plates.
Please check that your car has the E21 323i rear disc brake assembly before ordering. These are not the rear drum brake backing plates used on other E21 models.
