BMW B58 4.5″ OPF Decat Downpipe X3/X4/X5/X7 M40i

BMW B58 4.5″ OPF Decat Downpipe X3/X4/X5/X7 M40i - view 2

BMW B58 4.5″ OPF Decat Downpipe X3/X4/X5/X7 M40i

£300.00

Order withinBefore 10am
ShipsSame day
DeliveredNext working day

Order before 10am Monday to Friday for same-day dispatch and next working day UK delivery.

This 4.5″ downpipe is the best value modification available. By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is reduced significantly which results in a faster spool, an increase in power & a more aggressive exhaust note.

Off-road / motorsport use only. This part removes or alters emissions-control equipment. It is not legal for use on public roads in the UK and a vehicle fitted with it will fail its MOT. Sold strictly for off-road and competition use.

Fitting available at SD Performance

Want your parts fitted? Our Ilford workshop at 96 Goodmayes Road can fit everything in your order. Choose free collection at checkout, then call 020 8194 6688 or WhatsApp 07494 916329 to book a fitting slot.

SKU: BM-B58-DP-OPF Categories: Downpipes & De-cats, X Models Tags: Off-Road Use Only, SD Essentials Brand: SD Essentials

Made from handcrafted, TIG welded 3.5″ 304-grade stainless steel.
Smooth radius bends to decrease turbulence and increase flow.
Fits the stock catback as well as all aftermarket cutbacks that mate up with the OEM downpipe.
CNC SS304 Stainless Steel Flange.
Gains from 25-30hp with tune.

Will fit the following:

BMW 5 Series G30 540i – models with OPF
BMW 5 Series G30 540i xDrive – models with OPF
BMW 5 Series G31 540i xDrive – models with OPF
BMW 5 Series G38 540Li – models with OPF
BMW 6 Series G32 GT 640i – models with OPF
BMW 6 Series G32 GT 640i xDrive – models with OPF
BMW 7 Series G11 740i – models with OPF
BMW 7 Series G11 740i xDrive – models with OPF
BMW 7 Series G12 740Li – models with OPF
BMW 7 Series G12 740Li xDrive – models with OPF
BMW X Series G01 X3 M40i – models with OPF
BMW X Series G01 X3 M40i xDrive with valve
BMW X Series G02 X4 M40i xDrive
BMW X Series G05 X5 40i – models with OPF
BMW X Series G07 X7 40i – models with OPF

Delivery & returns

Free UK delivery on every order.
Free collection from our workshop at 96 Goodmayes Road, Ilford, IG3 9UZ. Fitting is available, just ask.
14 days to change your mind from the day your order arrives.
Faulty or wrong item? We will put it right under the Consumer Rights Act.

Read our Returns & Refunds policy or call 020 8194 6688.