2014-2020 BMW 4 Series (F32/F33/F36) M Performance Style Polypropylene Rear Diffuser | E3Tuning
Specifications Part numbers, fitment codes and shipping
- Brand
- E3Tuning
- Speedzone SKU
- E1B1-0412-21212.00P1
- Manufacturer part number
- E1B1-0412-21212.00P1
- UPC
- ER-AS985-R-1
- Category
- Rear Diffuser
The M Performance style rear diffuser brings a sharp, geometric depth to the rear profile of the BMW 4 Series F32, F33, and F36. Molded from durable polypropylene, this piece frames your exhaust layout with clean, authoritative lines that complete the factory M Sport body geometry.
- Custom Exhaust CutoutsChoose from 428i style (twin driver side), 435i style (dual single), or quad-tip configurations to ensure a seamless visual integration with your specific tailpipe setup.
- Resilient Polypropylene ConstructionCrafted from high-grade thermoplastic for long-term durability and a premium surface finish that maintains its appearance against the elements.
- Precision M Sport FitmentEngineered specifically for the M Sport bumper, this diffuser utilizes factory-style mounting points for a secure, bolt-on installation that aligns with original body lines.
| Year | Make | Model (Chassis) | Body Style | Fitment Notes |
|---|---|---|---|---|
| 2014-2020 | BMW | 4 Series (F32) | Coupe | Requires M Sport Rear Bumper |
| 2014-2020 | BMW | 4 Series (F33) | Convertible | Requires M Sport Rear Bumper |
| 2014-2020 | BMW | 4 Series (F36) | Gran Coupe | Requires M Sport Rear Bumper |
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