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2019-2022 For BMW 3 Series G20 G21 MP Style Rear Diffuser Square Exhaust


$522.00
$522.00 $536.00
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STYLE: PIANO BLACK

Finish the rear end of your BMW 3 Series G20 Sedan / G21 Touring with M Sport bumper (2019-2022). This MP style rear diffuser replaces the plain lower valance with a sculpted finned panel and squared exhaust openings — the sharpest visual upgrade you can make to a pre-LCI G20 without touching the bumper.

Why This Diffuser Works

  • MP Style Geometry: Vertical fins, an under-tray step and squared exhaust cut-outs mirror the M Performance look, pulling the rear end lower and wider without changing the bumper.
  • Squared Exhaust Openings: Cut for the squared MP style outlet — check your current tips before ordering, since round-tip valances use a different template.
  • Two Finishes: Piano black for a factory-plus gloss look, or hydro-dipped carbon fibre look for the motorsport read.
  • PP Construction: Flexible polypropylene takes kerb and speed-bump contact without cracking, and holds its shape through heat cycles.
  • Clip-In Fitment: Molded tabs follow the original M Sport bumper line, so the diffuser presses into the factory mounting points and secures with the supplied hardware.

Vehicle Compatibility

Series Chassis Body Style Model Years Requires
BMW 3 Series G20 Sedan 2019-2022 M Sport rear bumper
BMW 3 Series G21 Touring 2019-2022 M Sport rear bumper

Before you order: Fits the M Sport (M-Tech) rear bumper only — not the standard or Luxury line bumper. Pre-LCI cars only (2019-2022); the LCI bumper uses a different lower cut. Squared exhaust opening — confirm your tips match the squared MP outlet. Professional fitting recommended; allow 60-90 minutes.

Specifications

  • Material: PP (polypropylene)
  • Finish: Piano black or carbon fibre hydro-dip
  • Position: Rear lower valance / diffuser
  • Exhaust Style: Squared opening
  • Fixing: Clip-in with supplied hardware, no drilling

Fitting Notes

Warm the diffuser in the sun before fitting so the PP relaxes, clip the centre tabs first, then work outward to both corners and finish with the two lower screws. Recheck the gap against both exhaust surrounds before final torque.

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  • Shipping & Delivery
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  • FAQ

US orders

Delivery range: 48 states (excluding Alaska, Hawaii, Puerto Rico, military addresses, etc.) and Canada, etc.

Delivery method: FedEx/UPS/DHL free delivery, no PO boxes.

Time limit: depends on the region.

Free shipping within the continental US !

International orders

Cost: Shipping + tariffs are calculated separately, please contact customer service for confirmation（The transportation time is subject to the shipping standards of the Chinese warehouse）.

Logistics: FedEx/UPS/POST/DHL, etc.

Standard products

Shipment from US warehouse: shipped on the second working day after order confirmation, and delivered in 2-5 working days.

Shipment from China warehouse: shipped 2-5 working days after order confirmation, and expected to be delivered in 7-10 working days.

International orders: The time limit refers to the China warehouse standard, and the specific details need to be confirmed with customer service.

Special products

Large items (such as rims): only support sea transportation, and the transportation cycle is about 25-45 days.

Customized carbon fiber products:

Production cycle: need to be confirmed after purchase.

Transportation method: choose air transportation (total cycle 10-15 days) or sea transportation (total cycle 25-35 days) according to size.

Cancellation Policy

  • Orders can be canceled free of charge within 24 hours of placement. Refunds will be processed to the original payment method within 3-5 business days.

 

Return Policy

Timeframe

  • 14-Day Returns: Returns are accepted within 14 days of delivery. No returns/exchanges permitted after this period.
  • Customized Products: Non-returnable.

Eligibility

  • Items must be unused, undamaged, and in their original packaging with all accessories.
  • A valid proof of purchase (receipt/order confirmation) is required.
  • Returns must use the official return label provided by us.

Process

  1. Contact customer service at support@elitegermanparts.com to request a return label.
  2. Sign the inspection form upon return delivery.
  3. Report damages within 24 hours of signing. After this period, the product is assumed to be in good condition.

Cost Responsibilities

  • Customers cover round-trip shipping costs for non-defective returns.
  • Non-U.S. Customers: Must pay international shipping fees to return items to China (may be expensive).

Q1: Why do the products displayed in the store not include complete accessories?
A: The products displayed in our store do not include complete accessories. When you purchase the product, we will give you the required accessories. The accessories may be mailed with the product in 1 or 2 packages. We will provide you with the corresponding package tracking number so that you can check the logistics information in real time.

Q2: The package received is damaged, but it does not affect the installation and appearance. What should I do?
A: If the package is damaged but does not affect the installation and appearance of the product, in order to reduce your after-sales time, we will apply for part of the compensation for you. You do not need to send back the damaged package, just keep the package and the product. We will have a dedicated after-sales staff to communicate with you about compensation matters to ensure that your rights and interests are protected.


Q3: What should I do if the package is damaged and affects the installation of the product?
A: If the package is damaged and affects the installation of the product, you can rest assured that we will re-mail you a new product free of charge. Please provide photos of the damage within 24 hours after receiving the package. The photos must include the outer packaging of the package with the tracking number so that we can accurately verify the situation. We will assist you in applying for compensation from the courier and handle related matters for you throughout the process. You only need to wait patiently for the delivery of the new package.


Q4: Is the product guaranteed to be compatible?
A: All products have passed market verification and we guarantee the adaptability of the products. During the design and production process, we have undergone rigorous testing and verification of actual scenarios.


Q5: What should I do if there is incompatibility during installation?
A: If there is incompatibility during the installation process, please contact our customer service team in time. We have rich installation experience and will provide you with detailed solutions and technical support based on the specific problems you encounter to help you solve the problems in the installation process and enable the product to be installed and used smoothly.


If you have other questions or questions during the shopping process, please feel free to contact us by email at support@elitegermanparts.com, we will serve you wholeheartedly!