expand_more114 d with diesel straight-4 1.6 L 94 HP, 260 N⋅m at 1750 RPM engine (2012.7–)
On chassis
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_more116 d with diesel straight-4 1.6 L 114 HP engine (2011.12–)
On chassis
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_moreAll other modifications
expand_moreOn engine sump
M8
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreFront axle drive shaft
expand_moreM16 central screws
First stage
154.89 lbf⋅ft154.89 lbf⋅ft210 N⋅m
Replace collar screw and pressure spring.
Second stage
90°90°90°
Propeller shaft intermediate bearing
15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
expand_morePropeller shaft
Insert nuts
62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Replace nuts and let cure for 2 hours.
expand_moreM12 screws (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_moreM24 central nuts
First stage
106.95 lbf⋅ft106.95 lbf⋅ft145 N⋅m
Replace nuts.
Second stage
45°45°45°
expand_moreTransfer case propeller shaft front axle
expand_moreM8
First stage
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage
45°45°45°
expand_moreTransfer case propeller shaft rear axle
Insert nuts
62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Replace nuts and let cure for 2 hours.
expand_moreM12 screws (class 10.9)
First stage
40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
expand_moreClutch
Clutch master cylinder
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreClutch pressure plate
First stage
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreClutch slave cylinder
114 i with gasoline straight-4 1.6 L 101 HP engine (2011.12–)
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace screws.
116 i with gasoline straight-4 1.6 L 134 HP engine (2011.12–)
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace screws.
118 i with gasoline straight-4 1.6 L 168 HP engine (2012.7–)
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Replace screws.
All other modifications
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.
expand_moreDifferential
expand_moreFront axle differential
On engine sump
103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m
Front axle differential oil drain plug
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.
Front axle differential oil filler plug
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.
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_more114 i with gasoline straight-4 1.6 L 101 HP engine (2011.12–)
expand_moreM10
Torx screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
expand_moreM12
Torx screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_moreM8
Torx screws
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_more118 i with gasoline straight-4 1.6 L 168 HP engine (2012.7–)
expand_moreM10
Torx screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
expand_moreM12
Torx screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_moreM8
Torx screws
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_more120 d with diesel straight-4 2.0 L 161 HP engine (2012.7–)
expand_moreAluminium screws
First stage
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage
130°130°130°
Third stage
20°20°20°
expand_moreM10
Steel screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
expand_moreM12
Steel screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_more120 d xDrive with diesel straight-4 2.0 L 181 HP engine (2012.2–)
expand_moreM12
Steel screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_moreM8
Steel screws
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_more125 d with diesel straight-4 2.0 L 208 HP engine (2011.12–)
expand_moreAluminium screws
First stage
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage
130°130°130°
Third stage
20°20°20°
expand_moreM10
Steel screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
expand_moreM12
Steel screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_more125 i with gasoline straight-4 2.0 L 215 HP engine (2011.12–)
expand_moreAluminium screws
First stage
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage
130°130°130°
Third stage
20°20°20°
expand_moreM10
Steel screws
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Steel screws
48.68 lbf⋅ft48.68 lbf⋅ft66 N⋅m
expand_moreAll other modifications
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_moreM8
Hexagon head screws
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Torx screws
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Torque converter
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
expand_moreGearbox lubrication
Distributor gearbox oil filler screws
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
expand_moreGearbox oil drain plug
expand_more114 d with diesel straight-4 1.6 L 94 HP, 260 N⋅m at 1750 RPM engine (2012.7–)
expand_moreGS6-17DG gearbox
M18
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_more114 i with gasoline straight-4 1.6 L 101 HP engine (2011.12–)
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_more116 d with diesel straight-4 1.6 L 114 HP engine (2011.12–)
expand_moreGS6-17DG gearbox
M18
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_more120 d with diesel straight-4 2.0 L 161 HP engine (2012.7–)
expand_moreGA8HP45Z gearbox
Plastic oil sump
5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_more120 d xDrive with diesel straight-4 2.0 L 181 HP engine (2012.2–)
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_more125 d with diesel straight-4 2.0 L 208 HP engine (2011.12–)
expand_moreGA8HP45Z gearbox
Plastic oil sump
5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreAll other modifications
expand_moreGA8HP45Z gearbox
Plastic oil sump
5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
expand_moreGS6-17BG gearbox
M12 × 1,5 screws
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
M18 × 1,5 screws
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreGearbox oil filler plug
expand_more114 d with diesel straight-4 1.6 L 94 HP, 260 N⋅m at 1750 RPM engine (2012.7–)
expand_moreGS6-17DG gearbox
M18
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_more114 i with gasoline straight-4 1.6 L 101 HP engine (2011.12–)
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_more116 d with diesel straight-4 1.6 L 114 HP engine (2011.12–)
expand_moreGS6-17DG gearbox
M18
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_more120 d with diesel straight-4 2.0 L 161 HP engine (2012.7–)
expand_moreGA8HP45Z gearbox
M18 × 1,5 screws
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_more120 d xDrive with diesel straight-4 2.0 L 181 HP engine (2012.2–)
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_more125 d with diesel straight-4 2.0 L 208 HP engine (2011.12–)
expand_moreGA8HP45Z gearbox
M18 × 1,5 screws
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
GS6-45DZ/BZ gearbox
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreAll other modifications
expand_moreGA8HP45Z gearbox
M18 × 1,5 screws
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
expand_moreGS6-17BG gearbox
M12 × 1,5 screws
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
M18 × 1,5 screws
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreGearbox oil sump
expand_moreAll other modifications
expand_moreGA8HP45Z gearbox
First stage
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace screws.
Second stage
45°45°45°
expand_moreGearbox mounting
expand_moreGearbox cross support
expand_more120 d xDrive with diesel straight-4 2.0 L 181 HP engine (2012.2–)
expand_moreAt the gearbox bracket
M12
50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
expand_moreOn chassis
M8
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreAll other modifications
On chassis
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreGearbox mounting
expand_more120 d xDrive with diesel straight-4 2.0 L 181 HP engine (2012.2–)
Screws at the gearbox bracket
50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
On chassis
14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
expand_moreAll other modifications
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_moreAll other modifications
At the gearbox
35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
expand_moreTransfer case
Transfer box onto transmission flange connection
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 2012 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.
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 2012 BMW 1 Series 3-door Hatchback you're not only saving money, but also also improving your technical skills and learning something new.
2012 BMW 1 Series 3-door Hatchback generations
In 2012 BMW offered 2 generations of the 1 Series 3-door Hatchback. Transmission fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.