2008 BMW 1 Series 3-door Hatchback transmission fastener tightening specifications

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Condition	Value

expand_moreAxle drive


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

expand_morePropeller shaft

expand_moreM10 ribbed screws (class 10.9)


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

expand_moreM10 ZNS screws (class 10.9)


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreZNS screws (M12, class 10.9)


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreRear axle drive shaft

expand_moreAt the differential


M8	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
Replace screws.

expand_moreAt the differential (M10)


ZNS screws	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
ZNS3 screws	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.

expand_moreAt the differential (M12)


ZNS screws	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.

expand_moreOn wheel hub


M24	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Replace nuts.
M27	309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace nuts.

expand_moreClutch

expand_moreClutch master cylinder


At the bearing pedestal	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreClutch pressure plate

expand_moreM8 screws (class 10.9)


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


Clutch slave cylinder	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.

expand_moreDifferential

expand_moreRear axle differential

expand_moreAt the axle support


M12	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
M14	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nuts.


Rear axle differential oil filler 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	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Torx screws	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreM12


Hexagon head screws	54.58 lbf⋅ft54.58 lbf⋅ft74 N⋅m
Torx screws	48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m

expand_moreM6


Hexagon head screws	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Torx screws	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreM8


Hexagon head screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Torx screws	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreTorque converter


BMW gasoline straight-4 1.6 L N43 B16 A 119 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
BMW gasoline straight-4 1.6 L N43 B16 A 121 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
BMW gasoline straight-4 2.0 L N43 B20 A 121 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
BMW gasoline straight-4 2.0 L N43 B20 A 141 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
BMW gasoline straight-4 2.0 L N43 B20 A 161 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
BMW gasoline straight-4 2.0 L N43 B20 A 168 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
All other modifications	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m

expand_moreGearbox lubrication

expand_moreGearbox oil drain plug

expand_moreBMW gasoline straight-4 1.6 L N45 B16 A 114 HP


GA6L45R gearbox	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace sealing rings.

expand_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreBMW gasoline straight-4 2.0 L N46 B20 B 134 HP


GA6L45R gearbox	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace sealing rings.

expand_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 161 HP

expand_moreGA6HP19Z 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_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 174 HP, 340 N⋅m at 2000 RPM

expand_moreGA6HP19Z 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_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 B 201 HP

expand_moreGA6HP19Z 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_moreGS6-53DZ gearbox


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

expand_moreBMW gasoline straight-6 3.0 L N52 B30 A 255 HP


GA6L45R gearbox	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications

expand_moreGA6HP19Z 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_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreGearbox oil filler plug

expand_moreBMW gasoline straight-4 1.6 L N45 B16 A 114 HP


GA6L45R gearbox	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace sealing rings.

expand_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreBMW gasoline straight-4 2.0 L N46 B20 B 134 HP


GA6L45R gearbox	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace sealing rings.

expand_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 161 HP


GA6HP19Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 174 HP, 340 N⋅m at 2000 RPM


GA6HP19Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 B 201 HP


GA6HP19Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-53DZ gearbox


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

expand_moreBMW gasoline straight-6 3.0 L N52 B30 A 255 HP


GA6L45R gearbox	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreGS6-37DZ/BZ gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreAll other modifications


GA6HP19Z gearbox	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreGS6-17BG/DG gearbox


M12 × 1,5 screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M18 × 1,5 screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


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

expand_moreGearbox mounting

expand_moreGearbox cross support

expand_moreAll BMW diesel straight-4 2.0 L N47 D20 B engines


M10	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAll other modifications

expand_moreOn chassis


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreOn rubber mount


M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreGearbox mounting


Screws at the gearbox bracket	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
On chassis	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreGearbox support

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 114 HP


At the gearbox	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 134 HP


At the gearbox	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreBMW diesel straight-4 2.0 L N47 D20 A 161 HP


At the gearbox	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreAll other modifications


At the gearbox	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2008 BMW 1 Series 3-door Hatchback 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 1 Series 3-door Hatchback 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 2008 BMW 1 Series 3-door Hatchback you're not only saving money, but also also improving your technical skills and learning something new.

2008 BMW 1 Series 3-door Hatchback First generation Transmission Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

BMW 1 Series 3-door Hatchback First generation model years

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