Darkside Developments

Darkside Induction / Air Intake Kit with AEM Air Filter for BMW M57N2 This induction / air intake kit replaces the stock airbox and removed the stock MAF sensor PLEASE NOTE - THIS KIT WILL ONLY FIT...

BMW Swirl Flap Delete Plug for N47N / N47S1 Engines This kit allows you to remove the problematic swirl flaps that are known to degrade and eventually disintegrate. This then ends up being sucked...

3" Stainless De-Cat Downpipe for BMW 525d / 530d - M57N / M57N2 Engines This 3" Stainless Steel Downpipe is a straight replacement to remove the factory Catalyst Converter (CAT) on the BMW 525d &...

BMW 6 Cylinder N57N / N57Z Engine Aluminium Swirl Flap Delete Kit / Plug This kit allows you to remove the problematic swirl flaps that are known to degrade and eventually disintegrate. This then...

Darkside Billet Floor Seat Mount Adapters for BMW F Series Chassis (Including M Models) Our CNC Billet Floor Seat Mount Adapters are the easiest solution to allow fitment of aftermarket bucket seats...

BMW N47 / N47S Engine EGR & EGR Cooler Delete Kit This kit allows removal of the stock EGR Valve, Cooler, Piping and Vacuum Lines + Transducer Reduces inlet air temperatures = more...

BMW Performance Valve Springs - M57 M57N M57N2 engines Performance Valve Spring Kit for BMW 6 Cylinder Diesel Engines 30% more valve seat pressure than stock BMW springs Prevents valve float on...

BMW 2.0L 4 Cylinder M41 / M47 / M47N / M47N2 Head Stud Kit Custom Made Cylinder Head Stud and Nut Kit for BMW 2.0L 4 Cylinder M41 / M47 / M47N / M47N2 These studs exceed 160,000psi yield These are a...

Darkside Developments GTB2260 Turbo Kit for BMW 118D / 120D & 318D / 320D M47 Engines  The downpipe included in this kit slots straight into the stock Exhaust System. Other aftermarket...

Piston Machining Service for BMW Diesel Pistons Darkside Developments are able to custom machine your pistons to allow for higher lift cams and lowered compression. Lowered compression is vital if...