Skip to Content
BM Performance
Home
Shop
Remapping
Special Offers
Services
About
Blog
0
0
BM Performance
Home
Shop
Remapping
Special Offers
Services
About
Blog
0
0
Home
Shop
Remapping
Special Offers
Services
About
Blog
Shop BMW 114D 116D F20/F21 2015+ (B37) - M135i M140i Style DUAL EXIT CONVERSION BACK BOX DELETE
IMG_3009-ezgif.com-webp-to-jpg-converter.jpg Image 1 of 2
IMG_3009-ezgif.com-webp-to-jpg-converter.jpg
IMG_3011-ezgif.com-webp-to-jpg-converter.jpg Image 2 of 2
IMG_3011-ezgif.com-webp-to-jpg-converter.jpg
IMG_3009-ezgif.com-webp-to-jpg-converter.jpg
IMG_3011-ezgif.com-webp-to-jpg-converter.jpg

BMW 114D 116D F20/F21 2015+ (B37) - M135i M140i Style DUAL EXIT CONVERSION BACK BOX DELETE

Sale Price:£415.00 Original Price:£450.00
sale

Stainless steel rear exhaust section (back box delete) dual exit (M135i/M140i style) conversion.

  • Mandrel Bends

  • Fully Tig Welded

  • Lifetime Warranty

  • High Grade 304 Stainless Steel

Comes ready to clamp on with fitting instructions (cutting of the factory system is required).

Excellent quality product to enhance the look of your car.

Comes with choice of no tips or stainless, carbon fibre, black 3.5" or 4" Tailpipes.

Please note: If you choose 'No Tips' the tips you use will need to be able to sleeve over 2.5" tube and be approx 230mm long to suit.

Compatibility

B37 Engine Only

  • BMW 1 Series 114D 116D F20 F21 (2015+)

DOES NOT FIT AD-BLUE MODELS.

THIS PRODUCT REQUIRES THE M135i/M140i DIFFUSER.

Please note, this will only fit the STANDARD exhaust system.
Please note, this product was developed using a genuine 135i/140i diffuser therefore we can only guarantee fitment if fitting with a genuine diffuser and not an aftermarket diffuser.

Please Ensure you read this properly as this is a MADE TO ORDER item therefore returns are not accepted - if you are unsure if it will fit yours, please contact us with your reg and we will confirm.

Delivery Information

Worldwide postage available.

Orders are typically dispatched within 1-3 days of order being placed. If the item is out of stock this may cause delays, please check with us before ordering if this would be of concern.

Disclaimer

BM Performance Limited does not accept any liability if any damage is caused to your car by the installation of this product. Professional installation is recommended for our products. We offer installation for all products, contact us for quotation.

Quantity:
Add To Cart

Stainless steel rear exhaust section (back box delete) dual exit (M135i/M140i style) conversion.

  • Mandrel Bends

  • Fully Tig Welded

  • Lifetime Warranty

  • High Grade 304 Stainless Steel

Comes ready to clamp on with fitting instructions (cutting of the factory system is required).

Excellent quality product to enhance the look of your car.

Comes with choice of no tips or stainless, carbon fibre, black 3.5" or 4" Tailpipes.

Please note: If you choose 'No Tips' the tips you use will need to be able to sleeve over 2.5" tube and be approx 230mm long to suit.

Compatibility

B37 Engine Only

  • BMW 1 Series 114D 116D F20 F21 (2015+)

DOES NOT FIT AD-BLUE MODELS.

THIS PRODUCT REQUIRES THE M135i/M140i DIFFUSER.

Please note, this will only fit the STANDARD exhaust system.
Please note, this product was developed using a genuine 135i/140i diffuser therefore we can only guarantee fitment if fitting with a genuine diffuser and not an aftermarket diffuser.

Please Ensure you read this properly as this is a MADE TO ORDER item therefore returns are not accepted - if you are unsure if it will fit yours, please contact us with your reg and we will confirm.

Delivery Information

Worldwide postage available.

Orders are typically dispatched within 1-3 days of order being placed. If the item is out of stock this may cause delays, please check with us before ordering if this would be of concern.

Disclaimer

BM Performance Limited does not accept any liability if any damage is caused to your car by the installation of this product. Professional installation is recommended for our products. We offer installation for all products, contact us for quotation.

Stainless steel rear exhaust section (back box delete) dual exit (M135i/M140i style) conversion.

  • Mandrel Bends

  • Fully Tig Welded

  • Lifetime Warranty

  • High Grade 304 Stainless Steel

Comes ready to clamp on with fitting instructions (cutting of the factory system is required).

Excellent quality product to enhance the look of your car.

Comes with choice of no tips or stainless, carbon fibre, black 3.5" or 4" Tailpipes.

Please note: If you choose 'No Tips' the tips you use will need to be able to sleeve over 2.5" tube and be approx 230mm long to suit.

Compatibility

B37 Engine Only

  • BMW 1 Series 114D 116D F20 F21 (2015+)

DOES NOT FIT AD-BLUE MODELS.

THIS PRODUCT REQUIRES THE M135i/M140i DIFFUSER.

Please note, this will only fit the STANDARD exhaust system.
Please note, this product was developed using a genuine 135i/140i diffuser therefore we can only guarantee fitment if fitting with a genuine diffuser and not an aftermarket diffuser.

Please Ensure you read this properly as this is a MADE TO ORDER item therefore returns are not accepted - if you are unsure if it will fit yours, please contact us with your reg and we will confirm.

Delivery Information

Worldwide postage available.

Orders are typically dispatched within 1-3 days of order being placed. If the item is out of stock this may cause delays, please check with us before ordering if this would be of concern.

Disclaimer

BM Performance Limited does not accept any liability if any damage is caused to your car by the installation of this product. Professional installation is recommended for our products. We offer installation for all products, contact us for quotation.

You Might Also Like

BMW F Series B47 DPF Delete Downpipe (Euro 6) (114D 116D 118D 120D 125D 218D 220D 225D 316D 318D 320D 325D 420D 425D 520D 525D) (F10 F20 F21 F22 F30 F32) 187b0a0e-931c-4b7e-b10e-c9afd93607d0-removebg-preview.jpg
BMW F Series B47 DPF Delete Downpipe (Euro 6) (114D 116D 118D 120D 125D 218D 220D 225D 316D 318D 320D 325D 420D 425D 520D 525D) (F10 F20 F21 F22 F30 F32)
Sale Price:£239.00 Original Price:£249.00
sale
BMW 330D 430D F30/F31/F32/F33/F36 (N57) - 440i Style Dual Exit Conversion Back Box Delete editedmain435d_5ba1852c-dc5a-4833-a31a-123fc5bf82ab-ezgif.com-webp-to-jpg-converter.jpg 482371034_607734985587547_4298401430062269928_n.jpg
BMW 330D 430D F30/F31/F32/F33/F36 (N57) - 440i Style Dual Exit Conversion Back Box Delete
Sale Price:£430.00 Original Price:£480.00
sale
BMW 335D 435D F30/F31/F32/F33/F36 (N57) - 440i Style Dual Exit Conversion Back Box Delete 482800205_616734264481672_8674348268200738982_n.jpg 482371034_607734985587547_4298401430062269928_n.jpg
BMW 335D 435D F30/F31/F32/F33/F36 (N57) - 440i Style Dual Exit Conversion Back Box Delete
Sale Price:£430.00 Original Price:£480.00
sale
BMW 3 Series 330D LCI Cobra 3" Quad Exit M3 Style Performance Exhaust Conversion (F30 F31) 481870575_1347912749735957_1777381961707085310_n.jpg bmw-335d-f30-cobraexhaust-2_640x640_crop_center-ezgif.com-webp-to-jpg-converter.jpg 480716467_529392060171054_6542622210793791146_n.jpg
BMW 3 Series 330D LCI Cobra 3" Quad Exit M3 Style Performance Exhaust Conversion (F30 F31)
£785.00
BMW 3 Series 330D LCI Cobra 3" Dual Exit 340i Style Performance Exhaust Conversion (F30 F31) tailpipes-text-y1_ae5103e1-e588-4c15-9eb7-943d11a66815_640x640_crop_center-ezgif.com-webp-to-jpg-converter.jpg BMW-335D-Performance-Exhaust-BM88_81907eca-6b37-4baf-a900-efd155bb795e_640x640_crop_center-ezgif.com-webp-to-jpg-converter.jpg bmw-335d-dual-exit-cobra-sport-exhaust-1_640x640_crop_center-ezgif.com-webp-to-jpg-converter.jpg
BMW 3 Series 330D LCI Cobra 3" Dual Exit 340i Style Performance Exhaust Conversion (F30 F31)
from £690.00

Quick Links

Store

About Us

Contact Us

Terms & Conditions

Tuning Checklist & Disclaimer

Delivery & Returns

Information

© 2025 BM Performance. All Rights Reserved.

Newsletter Sign Up

Contact Us

info@bmperformance.co.uk

https://www.instagram.com/bmperformanceuk/

https://www.facebook.com/BMPerformanceUK