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ABOUT US

X8R Ltd is a British company completely dedicated to providing high quality improved design vehicle components; correcting original manufacturers design faults. We take the common faults associated with a variety of vehicle manufacturer’s parts and re-design and manufacture parts that will not fail again or that will prevent damage to vehicles.

Please note that since Brexit (1st January) customs charges are now applicable on all orders going to the EU and these charges are payable by the buyer. Any orders where customs charges are refused are not guaranteed to be refunded.

SYMPTOMS OF FAULT

The symptoms of this fault are very obvious; there is a rattling noise coming from the DISA valve, SES light is lit and getting a lean mixture fault or rough running at idle. Displaying DTC codes and a loss in low end torque. There may be a rattling, buzzing or clicking noise coming from the engine. Fault codes: lean condition(P1083, P1085), front oxygen sensor lean (P1090, P1092) oxygen sensor slow response (P1087, P1089) and cylinder misfire (P0311-P0316) fuel control mixture lean (bank 2 sensor 1) and p0174 system too lean, showing?

THE FAULT

faulty intake adjuster unit off 2.2 2.5 bmw cars

The original plastic Disa valve components wear and often snap causing the symptoms noted above.

The pin retaining the flap can also pop out entering the engine! The likely cause of the faults noted above and most common cause is the weak plastic components within the DISA valve unit vibrating together and wearing causing the flap to operate at the wrong times and eventually leading to destruction of the flap plate. The pieces of this flap can even enter the engine often causing severe engine damage; likewise the metal pin that holds the flap plate in position can vibrate loose and enter the engine.

THE SOLUTION

disa replacement flap aluminium 2.2 and 2.5

replacement disa flap fitted in bmw intake adjuster unit 2.2 and 2.5

Fit our improved design billet aluminium flap kit, designed to never fail, save the cost of a replacement DISA valve which will only fail again.

Using our kit the weak components of the DISA valve the flap and crank lever are replaced with our many times stronger billet aluminium parts, retained by our precision machined screw which tightly retains the two components together; eliminating wear and the need for the retaining pin which can enter the engine. Our part is completely redesigned to never fail- OEM clearances are reduced minimising vibrations in the part preventing any future failure. Our kit also includes a high temperature Viton 75 O-ring to make a good seal between the DISA unit and the manifold eliminating any air leaks.

UK stock

Made from billet aluminium, to last and never fail again!

Next day delivery available

Improved design parts

BMW DISA Valve Repair Kit Rebuild Rattle Aluminium Fix Overhaul M54 2.2 2.5 Kit Installation Instructions - YouTube

Video will open in a new window

Download Instruction Guide

VEHICLES AFFECTED

BMW M54 2.2 &2.5 Liter Applications

E36 2000-2002 Z3 2.5i Roadster

E39 2000-2003 525i Touring
E39 2000-2003 525i Sedan

E46 2000-2004 320i Sedan
E46 2000-2006 325Ci Coupe+M56
E46 2000-2006 325Ci Convertible
E46 2000-2005 325i Touring
E46 2000-2005 325i Sedan
E46 1999-2004 325xi Sedan
E46 1999-2005 325xi Touring

E60 2002-2004 525i Sedan

E83 2003-2006 X3 2.5i SUV

E85 2002-2005 Z4 2.5i Roadster

BMW Part# : 11617544806 or 11617502269

Number Stamped on DISA Housing: 7544806 or 7502269

YOU WILL RECEIVE