expand_more2.5 i with gasoline straight-6 2.5 L 189 HP engine (2004.1–2006.8)
Figure 3. Cylinder head, Cylinder head screws, 2.5 i with gasoline straight-6 2.5 L 189 HP engine (2004.1–2006.8).
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace, wash and lubricate the screws. See figure 3.
Second stage
90°90°90°
Third stage
90°90°90°
expand_more3.0 d with diesel straight-6 3.0 L 201 HP at 4000 RPM, 410 N⋅m at 1500 RPM engine (2004.1–2005.8)
expand_moreScrews 1 – 14
Figure 4. Cylinder head, Cylinder head screws, 3.0 d with diesel straight-6 3.0 L 201 HP at 4000 RPM, 410 N⋅m at 1500 RPM engine (2004.1–2005.8), Screws 1 – 14.
expand_more3.0 d with diesel straight-6 3.0 L 201 HP at 4000 RPM, 410 N⋅m at 1500 RPM engine (2004.1–2005.8)
expand_moreOn the engine block
M10 screws (class 8.8)
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
M8 screws (class 8.8)
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_more3.0 d with diesel straight-6 3.0 L 215 HP engine (2004.1–2008.8)
expand_moreOn the engine block
M10 screws (class 8.8)
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
M8 screws (class 8.8)
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_moreAll other modifications
On the engine block
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
expand_moreEngine mounting
expand_moreAt the axle support
M10
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
M8
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_moreOn engine bracket
M10
41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
M12
50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
expand_moreSubframe
expand_moreOn chassis (M12)
Center
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Front
83.34 lbf⋅ft83.34 lbf⋅ft113 N⋅m
Replace screws.
expand_moreOn chassis on the rear side
M10
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
M12
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
expand_moreSubframe stiffening plate
M10
54.58 lbf⋅ft54.58 lbf⋅ft74 N⋅m
Replace screws.
expand_moreExhaust system
expand_moreCatalytic converter
expand_more2.0 d with diesel straight-4 2.0 L 148 HP engine (2004.10–2010.12)
At the turbocharger
30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Clamps
39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
expand_moreCatalytic converter bracket
expand_more2.0 d with diesel straight-4 2.0 L 148 HP engine (2004.10–2010.12)
M8
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreDiesel particulate filter
At the turbocharger
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace clamps.
expand_moreExhaust manifold
expand_more2.0 d with diesel straight-4 2.0 L 148 HP engine (2004.10–2010.12)
M8
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
expand_more2.0 i with gasoline straight-4 2.0 L 148 HP engine (2005.7–2008.8)
M7
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace nuts.
M8
16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
expand_more2.5 i with gasoline straight-6 2.5 L 189 HP engine (2004.1–2006.8)
M7
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
expand_more3.0 d with diesel straight-6 3.0 L 201 HP at 4000 RPM, 410 N⋅m at 1500 RPM engine (2004.1–2005.8)
M8
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace the nuts and use fitting paste
expand_more3.0 i xDrive with gasoline straight-6 3.0 L 228 HP engine (2004.1–2006.8)
M6
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace nuts.
M7
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace nuts.
M8
16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
expand_moreAll other modifications
M7
9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Replace nuts.
expand_moreExhaust pipe
On particle filter
37.62 lbf⋅ft37.62 lbf⋅ft51 N⋅m
expand_moreExhaust pipe bracket
expand_moreOn rear axle differential (M12)
Nuts
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreParticle filter bracket
expand_moreAt the gearbox
M8
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreM8 × 20 screws
Strut
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_moreIgnition system
expand_moreSpark plugs
M12 × 1,5 screws
14.75–19.18 lbf⋅ft14.75–19.18 lbf⋅ft20–26 N⋅m
M14 × 1,5 screws
19.91–24.34 lbf⋅ft19.91–24.34 lbf⋅ft27–33 N⋅m
expand_moreStart system
expand_moreStarter
expand_more2.0 i with gasoline straight-4 2.0 L 148 HP engine (2005.7–2008.8)
expand_moreOnto crankcase
M10 × 30 screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
All other modifications
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 BMW X3 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW X3 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2005 BMW X3 you're not only saving money, but also also improving your technical skills and learning something new.