2006 BMW X3 transmission fastener tightening specifications

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Condition	Value

expand_moreAxle drive

expand_moreDrive shaft intermediate bearing


On engine sump	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreFront axle drive shaft

expand_moreM27


Central nuts	309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace nuts.


Propeller shaft intermediate bearing	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreRear axle drive shaft

expand_moreM27


Central nuts	221.27 lbf⋅ft221.27 lbf⋅ft300 N⋅m
Replace the nut and lightly oil the contact surfaces.

expand_moreTransfer case propeller shaft front axle

expand_moreM10 screws (class 10.9)


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Second stage	45°45°45°

expand_moreTransfer case propeller shaft rear axle


M10 screws (class 10.9)	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m

expand_moreM10 ZNS screws (class 10.9)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	90°90°90°

expand_moreM10 ribbed ZNS screws (class 10.9)


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Second stage	45°45°45°


M10 screws (class 8.8)	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreZNS screws (M12, class 10.9)


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Second stage	90°90°90°

expand_moreM12 screws with ribbing (class 10.9)


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	90°90°90°

expand_moreClutch

expand_moreClutch master cylinder

expand_moreAt the bearing pedestal


With shoulder screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Otherwise	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreClutch pressure plate


2.5 i with gasoline straight-6 2.5 L 189 HP engine (2004.1–2006.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace bolts.

expand_more2.5 si with gasoline straight-6 2.5 L 215 HP engine (2006.9–2008.8)

expand_moreM8 screws (class 10.9)


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
The ZNS screws must be replaced
Second stage	85–95°85–95°85–95°
Otherwise	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Use new screws.


M8 screws (class 8.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screws.

expand_more3.0 d with diesel straight-6 3.0 L 215 HP engine (2004.1–2008.8)

expand_moreScrews (M8 10.9)


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_more3.0 i xDrive with gasoline straight-6 3.0 L 228 HP engine (2004.1–2006.8)


M8 screws (class 10.9)	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
M8 screws (class 8.8)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_more3.0 sd with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2008.8)

expand_moreScrews (M8 10.9)


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll other modifications


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreClutch slave cylinder


BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


On gearbox case	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreDifferential


Differential oil control screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreDifferential oil drain plug


Front	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Rear	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.


Rear axle differential oil control screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.

expand_moreGearbox

expand_moreGearbox flange connection at engine

expand_moreM10


Hexagon head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Torx screws	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreM12


Hexagon head screws	60.48 lbf⋅ft60.48 lbf⋅ft82 N⋅m
Torx screws	53.1 lbf⋅ft53.1 lbf⋅ft72 N⋅m

expand_moreM6


Screws	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreM8


Hexagon head screws	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Torx screws	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreTorque converter


3.0 d with diesel straight-6 3.0 L 215 HP engine (2004.1–2008.8)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
3.0 sd with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2008.8)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All other modifications	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
Replace screws.

expand_moreGearbox lubrication

expand_moreDistributor gearbox oil control screws

expand_moreM18


Screws	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m

expand_moreDistributor gearbox oil drain plug


All other modifications	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace sealing rings.


Distributor gearbox oil filler screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace sealing rings.

expand_moreGearbox oil drain plug

expand_more2.0 i with gasoline straight-4 2.0 L 148 HP engine (2005.7–2008.8)

expand_moreGA6HP19Z gearbox


Plastic oil sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Sheet-steel sump	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreGS6-37BZ/DZ gearbox hexagon socket screws


M18	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_more3.0 d with diesel straight-6 3.0 L 215 HP engine (2004.1–2008.8)

expand_moreGA6HP26Z gearbox


Plastic oil sump	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace sealing rings.
With light-alloy oil sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace sealing rings.

expand_moreGS6-53BZ/DZ gearbox


M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_more3.0 sd with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2008.8)

expand_moreGA6HP26Z gearbox


Plastic oil sump	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace sealing rings.
With light-alloy oil sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace sealing rings.

expand_moreGS6-53BZ/DZ gearbox


M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications

expand_moreGS6-37BZ/DZ gearbox hexagon socket screws


M18	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreGearbox oil filler plug

expand_more2.0 i with gasoline straight-4 2.0 L 148 HP engine (2005.7–2008.8)

expand_moreGA6HP19Z gearbox


M18 × 1,5 screws	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreGS6-37BZ/DZ gearbox hexagon socket screws


M18	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_more3.0 d with diesel straight-6 3.0 L 215 HP engine (2004.1–2008.8)


GA6HP26Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-53BZ/DZ gearbox


M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_more3.0 sd with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2008.8)


GA6HP26Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-53BZ/DZ gearbox


M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications

expand_moreGS6-37BZ/DZ gearbox hexagon socket screws


M18	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m


Gearbox oil sump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGearbox mounting

expand_moreGearbox cross support

expand_moreOn chassis


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreOn rubber mount


M12	53.84 lbf⋅ft53.84 lbf⋅ft73 N⋅m

expand_moreTransfer case

expand_moreTransfer box onto transmission flange connection


M10	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2006 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.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

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 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 2006 BMW X3 you're not only saving money, but also also improving your technical skills and learning something new.

2006 BMW X3 generations

In 2006 BMW offered 2 generations of the X3. Transmission fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

First generation LCI

E83

2006 BMW X3 First generation Transmission Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2006 BMW X3 generations

First generation LCI

BMW X3 First generation model years

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