F2x M135i/M140i

Upgrades for BMW M135i/M140i (F20/F21). High-flow downpipes, intercoolers, charge pipes, suspension and braking improvements for road and track builds.

Shop Related Upgrades

Downpipes | Intercoolers | Charge Pipes | Springs | Brake Pads | ECU Tuning

FAQs
What are the best first mods for an M135i/M140i?

Popular upgrades include downpipes, intercoolers, charge pipes, and springs.

Is the B58/N55 reliable when tuned?

Yes — with proper cooling upgrades and regular maintenance.

Do F20/F21 parts fit both LCI and pre-LCI models?

Most performance parts fit both, but always check product fitment to confirm.

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132 products

Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 16mm x4
The Performance Company
Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 16mm x4 Sale price£197.00
Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 16mm Front / 20mm Rear
The Performance Company
Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 16mm Front / 20mm Rear Sale price£203.00
Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 13mm x4
The Performance Company
Perfco Performance Premium Wheel Spacers – BMW 1/2/3/4 Series (F2x, F3x, F8x) – 13mm x4 Sale price£185.00
Sold out
Bilstein B16 Height & Damping Adjustable Kit – BMW 1/2/3/4 Series RWD (48-217170)
Bilstein
Bilstein B16 Height & Damping Adjustable Kit – BMW 1/2/3/4 Series RWD (48-217170) Sale price£2,100.00
Bilstein B12 Kit – BMW 1/2/3/4 Series RWD (46-264770)
Bilstein
Bilstein B12 Kit – BMW 1/2/3/4 Series RWD (46-264770) Sale price£1,170.00
Bilstein B14 Coilovers – BMW 1/2/3/4 Series RWD (47-264632)
Bilstein
Bilstein B14 Coilovers – BMW 1/2/3/4 Series RWD (47-264632) Sale price£1,250.00
BMW F20/F21 M135i M140i Motech Stance Springs – 25mm Front / 20mm Rear
Motech Springs
BMW F20/F21 M135i M140i Motech Stance Springs – 25mm Front / 20mm Rear Sale price£235.00
BMW F20/F21 M135i M140i Motech Stance+ Springs – 30mm Front / 25mm Rear
Motech Springs
BMW F20/F21 M135i M140i Motech Stance+ Springs – 30mm Front / 25mm Rear Sale price£235.00
Sold out
BMW F20/F21 (4-Cylinder) Motech Stance+ Springs – 25mm Front / 25mm Rear
Motech Springs
BMW F20/F21 (4-Cylinder) Motech Stance+ Springs – 25mm Front / 25mm Rear Sale price£435.00
Save £30.00
VRSF N55 3.5" Decat Downpipe (Brushed) – F20 F21 M135i
VRSF
VRSF N55 3.5" Decat Downpipe (Brushed) – F20 F21 M135i Sale price£310.00 Regular price£340.00
Save £40.00
VRSF N55 3.5" Sports Cat Downpipe – F20 F21 M135i
VRSF
VRSF N55 3.5" Sports Cat Downpipe – F20 F21 M135i Sale price£480.00 Regular price£520.00
Save £40.00
VRSF N55 4" Decat Downpipe (Brushed) – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2
VRSF
VRSF N55 4" Decat Downpipe (Brushed) – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2 Sale price£310.00 Regular price£350.00
Save £20.00
VRSF N55 4" Decat Downpipe (Ceramic) – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2
VRSF
VRSF N55 4" Decat Downpipe (Ceramic) – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2 Sale price£370.00 Regular price£390.00
Save £30.00
VRSF N55 6.5" HD FMIC – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2
VRSF
VRSF N55 6.5" HD FMIC – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2 Sale price£630.00 Regular price£660.00
Save £40.00
VRSF N55 Race Intercooler – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2
VRSF
VRSF N55 Race Intercooler – F20 F21 M135i / F22 F23 M235i / F30 F31 335i / F32 F33 F36 435i / F87 M2 Sale price£680.00 Regular price£720.00
Save £20.00
VRSF B58 Charge Pipe – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i
VRSF
VRSF B58 Charge Pipe – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i Sale price£300.00 Regular price£320.00
Save £30.00
VRSF B58 Sports Cat Downpipe – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i
VRSF
VRSF B58 Sports Cat Downpipe – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i Sale price£560.00 Regular price£590.00
Save £40.00
VRSF B58 Decat Downpipe with Heat Shield – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i
VRSF
VRSF B58 Decat Downpipe with Heat Shield – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i Sale price£470.00 Regular price£510.00
Save £40.00
VRSF B58 Decat Downpipe (Brushed) – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i
VRSF
VRSF B58 Decat Downpipe (Brushed) – F20 F21 M140i / F22 F23 M240i / F30 F31 340i / F32 F33 F36 440i Sale price£400.00 Regular price£440.00
SLN BMW B58 Super 5” 200 CEL Sports Cat Downpipe CERAMIC COATED
SLN Performance
SLN BMW B58 Super 5” 200 CEL Sports Cat Downpipe CERAMIC COATED Sale price£445.00
Eibach Pro-Kit Lowering Springs – BMW M135i/M140i/M235i/M240i
Eibach
Eibach Pro-Kit Lowering Springs – BMW M135i/M140i/M235i/M240i Sale price£290.00
H&R Lowering Springs – BMW F20/F21 M135i/M140i
H&R
H&R Lowering Springs – BMW F20/F21 M135i/M140i Sale price£366.00
Save £13.00
K&N Performance Panel High-Flow Air Filter – BMW B58 (F2x/F3x)
K&N
K&N Performance Panel High-Flow Air Filter – BMW B58 (F2x/F3x) Sale price£66.00 Regular price£79.00
Save £13.00
K&N Performance Panel High-Flow Air Filter – BMW N55 (M135i, M2, M235i, 335i, 435i)
K&N
K&N Performance Panel High-Flow Air Filter – BMW N55 (M135i, M2, M235i, 335i, 435i) Sale price£66.00 Regular price£79.00
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