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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreAuxiliary assemblies
Auxiliary drive belt tensioner 30.24 lbf⋅ft
expand_moreAlternator
expand_moreAll other modifications
expand_moreM8
First stage 7.38 lbf⋅ft
Use new screws.
Second stage 180°
Hydraulic lines at the servo-steering pump 25.81 lbf⋅ft
Replace sealing rings.
expand_moreCylinder head
expand_moreCamshaft bearing
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M7 10.33 lbf⋅ft
M8 14.75 lbf⋅ft
expand_moreCylinder head screws
expand_moreAll other modifications
expand_moreM10
Figure 1. Cylinder head, Cylinder head screws, All other modifications, M10.
Figure 1. Cylinder head, Cylinder head screws, All other modifications, M10.
First stage 29.5 lbf⋅ft
Replace, wash and lubricate the screws. See figure 1.
Second stage 90°
Third stage 90°
expand_moreValve cover
expand_moreAll other modifications
M6 7.38 lbf⋅ft
M7 11.06 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
expand_moreAll other modifications
First stage 3.69 lbf⋅ft
Clean and lubricate the screws.
Second stage 14.75 lbf⋅ft
Third stage 70°
expand_moreCrankshaft central screws
All other modifications 302.4 lbf⋅ft
Replace bolt.
expand_moreCrankshaft pulley
M8 × 20 screws 18.44 lbf⋅ft
expand_moreDrive plate
All other modifications 88.51 lbf⋅ft
Replace screws.
expand_moreFlywheel
All other modifications 77.44 lbf⋅ft
Replace screws.
expand_moreMain bearing
First stage 14.75 lbf⋅ft
Clean and lubricate the screws.
Second stage 70°
expand_moreM10
First stage 14.75 lbf⋅ft
Clean and lubricate the screws.
Second stage 70°
expand_moreAll other modifications
expand_moreM10 × 100 screws
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 70°
expand_moreM10 × 27 screws
First stage 11.06 lbf⋅ft
Replace bolts.
Second stage 90°
expand_moreM10 × 41 screws
First stage 11.06 lbf⋅ft
Replace bolts.
Second stage 90°
expand_moreM8 × 37 screws
First stage 5.9 lbf⋅ft
Replace bolts.
Second stage 90°
expand_moreEngine control
expand_moreCamshaft timing chain guide rail
expand_moreBearing screws
M7 10.33 lbf⋅ft
expand_moreM18
Cap 18.44 lbf⋅ft
expand_moreCamshaft timing chain slip rail
expand_moreAt the cylinder head
M6 × 35 screws 5.9 lbf⋅ft
expand_moreCamshaft timing chain tensioner
expand_moreN52 engine
Magnesium valve cover 36.88 lbf⋅ft
Replace sealing rings.
Plastic valve cover 40.57 lbf⋅ft
Replace sealing rings.
expand_moreCamshaft timing chain tensioning rail
expand_moreBearing screws
M8 14.75 lbf⋅ft
expand_moreM22
Cap 36.88 lbf⋅ft
expand_moreCamshaft timing gear
expand_moreM7
First stage 3.69 lbf⋅ft
Second stage 14.75 lbf⋅ft
expand_moreChain tensioner
expand_moreAll other modifications
M26 × 1,5 screws 51.63 lbf⋅ft
expand_moreInlet camshaft wheel
expand_moreAll other modifications
expand_moreM10
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 180°
expand_moreOutlet camshaft wheel
expand_moreAll other modifications
expand_moreM10
First stage 14.75 lbf⋅ft
Use new screw.
Second stage 180°
expand_moreEngine lubrication
expand_moreOil drain plug
M12 × 1,5 screws 18.44 lbf⋅ft
expand_moreOil filter housing
Oil filter cover 18.44 lbf⋅ft
expand_moreOil pump
expand_moreAll other modifications
M8 14.75 lbf⋅ft
expand_moreOil pump chain wheel
M10 18.44 lbf⋅ft
M10 18.44 lbf⋅ft
Left-hand thread
expand_moreAll other modifications
expand_moreM8
First stage 14.75 lbf⋅ft
Second stage 45°
expand_moreOil sump
expand_moreAll other modifications
expand_moreClass 10.9
M6 8.85 lbf⋅ft
expand_moreClass 8.8 screws
M6 7.38 lbf⋅ft
M8 16.23 lbf⋅ft
expand_moreEngine management
expand_moreCrankshaft sensor
M6 6.64 lbf⋅ft
expand_moreKnock sensor
All other modifications 14.75 lbf⋅ft
Lambda sensor 36.88 lbf⋅ft
expand_moreEngine mounting
Engine mounting 30.98 lbf⋅ft
expand_moreExhaust system
expand_moreExhaust manifold
expand_moreAll other modifications
M6 7.38 lbf⋅ft
Replace nuts.
M7 11.06 lbf⋅ft
Replace nuts.
M8 16.96 lbf⋅ft
Replace nuts.
expand_moreIgnition system
expand_moreSpark plugs
M12 14.7519.18 lbf⋅ft
M14 19.9124.34 lbf⋅ft
expand_moreStart system
expand_moreStarter
All other modifications 33.19 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2004 BMW Z4 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.

Conquer your fears and never give up!

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 Z4 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 2004 BMW Z4 you're not only saving money, but also also improving your technical skills and learning something new.

BMW Z4 First generation model years

Units:
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