Genuine BMW M Performance Rear Diffuser Matte Black for 3 Series F30/F31 (2012-2019) Single Exit Exhaust Left | OEM 51192291417 | Rear Valance | Fits 316d 318d 320d 320i 328d

Genuine BMW M Performance Rear Diffuser Matte Black for 3 Series F30/F31 (2012-2019) Single Exit Exhaust Left | OEM 51192291417 | Rear Valance | Fits 316d 318d 320d 320i 328d

£416.23
£416.23
£428.00
Sold out
Tax included. Shipping calculated at checkout.

Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Genuine BMW 3 Series F30 F31 M Performance Single Exit Rear Diffuser in Matte Black

Transform the rear of your BMW 3 Series with this Genuine BMW M Performance rear diffuser, part number 51192291417. Designed specifically for single exit exhaust models, this matte black rear diffuser delivers the aggressive OEM+ look enthusiasts expect, with precision fitment and premium quality you can trust. Ideal for F30 Saloon and F31 Touring owners looking for a factory-quality upgrade to the rear valance/rear bumper trim.

Manufactured from premium PUR for exceptional durability and fit, the sculpted fins and matte black finish sharpen the car’s stance and highlight the exhaust on the left-hand side. This is an authentic OEM BMW diffuser that integrates seamlessly with the standard rear bumper, giving your 3 Series the desirable M Performance appearance without compromise.

Why choose this OEM BMW rear diffuser

  • Genuine BMW M Performance styling for F30 and F31 3 Series
  • OEM part number: 51192291417
  • Matte black finish for a factory-correct, sporty look
  • Premium PUR construction for strength, durability and a perfect OEM fit
  • Direct replacement rear valance/diffuser for single exit exhaust on the left
  • No coding required, designed to mount to the factory rear bumper
  • Enhances the rear profile with dynamic fins and a more purposeful stance

Compatibility

Fits BMW 3 Series with single exit exhaust only. Suitable for the following models:

  • BMW 3 Series F30 (04/2011 — 07/2015)
    • 316d, 316i, 318d, 318dX, 320d, 320dX, 320i, 320iX, 328d, 328dX
  • BMW 3 Series F30 LCI (10/2014 — 10/2018)
    • 316d, 318d, 318dX, 320d, 320i, 320iX, 328d, 328dX
  • BMW 3 Series F31 (08/2011 — 06/2015)
    • 316d, 316i, 318d, 318dX, 320d, 320d ed, 320dX, 320i, 320iX, 328dX
  • BMW 3 Series F31 LCI (10/2014 — 06/2019)
    • 316d, 318d, 318dX, 318i, 320d, 328dX

Please note: Fits models with single exit exhaust only. Not suitable for dual-exit exhaust cars.

Part number

51192291417

What our customers say

We have installed this diffuser on many F30 and F31 builds, and customers consistently praise the OEM fit, the quality of the PUR moulding and the way the matte black finish transforms the rear end. If you want a genuine BMW upgrade that looks right at home on your 3 Series, this is the one.

Professional fitting

Prefer expert installation? Nforcd offers professional fitting at our Warwickshire HQ. Request a quote: Sales@nforcd.com.

Compatibility check

Before dispatch we run a compatibility check to ensure this part fits your vehicle. Provide your UK registration or the last 7 digits of your VIN at checkout for peace of mind.

Warranty

Manufactured by BMW. Genuine BMW M Performance Parts.

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a valid VIN is provided at checkout on compatible vehicles.

Key search terms

BMW F30 rear diffuser, BMW F31 rear diffuser, 3 Series rear diffuser matte black, OEM BMW rear valance, BMW M Performance rear diffuser, 51192291417, BMW 320d diffuser, BMW 320i diffuser, BMW 328d diffuser, single exit rear diffuser left side, BMW 3 Series F30 LCI diffuser, BMW 3 Series F31 LCI diffuser, genuine BMW rear bumper diffuser, BMW rear valance upgrade.