2012 BMW 3 Series Sedan front suspension fastener tightening specifications

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Condition	Value

expand_moreFront axle brake

expand_moreBleed valve


Code range 11 mm	8.85–13.28 lbf⋅ft8.85–13.28 lbf⋅ft12–18 N⋅m
Code range 9 mm	5.16–8.11 lbf⋅ft5.16–8.11 lbf⋅ft7–11 N⋅m

expand_moreBrake hose


At the brake caliper	16.23–19.18 lbf⋅ft16.23–19.18 lbf⋅ft22–26 N⋅m

expand_moreBrake line


Socket unions	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreFront axle brake caliper

expand_moreM12 × 1,5 screws


With parking brake caliper	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Replace self-locking or microencapsulated screws.

expand_moreHexagon head screws


With parking brake caliper	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace self-locking or microencapsulated screws.

expand_moreHexagon head screws


With handbrake caliper	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace self-locking or microencapsulated screws.

expand_moreFront axle brake caliper mounting support

expand_moreM12 × 1,5 screws


With handbrake caliper	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Replace self-locking or microencapsulated screws


Front axle brake disc	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Replace screws.
Wheel speed sensor	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreFront axle steering


Lower steering column joint	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Clean thread, use new screws and do not retighten screws any further.

expand_morePressure line at steering gear


M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreReturn line to steering gear


M16	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreSteering gear

expand_moreM10


First stage	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
Use new screws and nuts.
Second stage	90°90°90°

expand_moreSteering gear heat protection plate


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreSteering wheel


M14	46.47 lbf⋅ft46.47 lbf⋅ft63 N⋅m

expand_moreTrack rod end on stub axle


All other modifications	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nuts.

expand_moreTrack rod end on track rod


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.

expand_moreTrack rod on steering gear


Manufacturer TRW	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Manufacturer ZF	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreFront axle suspension

expand_moreSuspension strut bearing pedestal


M8	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Replace nuts.

expand_moreShock-absorber piston rod


M12	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Replace nuts.

expand_moreSuspension strut

expand_moreAll other modifications

expand_moreOn chassis


M8	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Replace nuts.

expand_moreOn stub axle


M12	59.74 lbf⋅ft59.74 lbf⋅ft81 N⋅m
Replace nuts.

expand_moreWheel suspension

expand_moreFront axle drive shaft

expand_moreM27


Central nuts	309.78 lbf⋅ft309.78 lbf⋅ft420 N⋅m
Replace the nut and lightly oil the contact surfaces.

expand_moreStabiliser mounting at the stabiliser


M10	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
Replace nuts.

expand_moreStabiliser mounting at suspension strut


M10	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
Replace nuts.

expand_moreStabilizer mounting at the subframe

expand_moreAll other modifications


M8	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Replace nuts.

expand_moreSupport joint at the stub axle

expand_moreAll other modifications

expand_moreM14


Nuts	129.07 lbf⋅ft129.07 lbf⋅ft175 N⋅m

expand_moreSupport joint at the transverse control arm

expand_moreM14


Nuts	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace nuts.

expand_moreFront axle suspension

expand_moreAll other modifications

expand_moreScrew 2 (M12, class 10.9)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nut.
Second stage	90°90°90°
Replace nut.

expand_moreScrew 2 (M12, class 8.8)


First stage	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
Replace nut.
Second stage	90°90°90°
Replace nut.


Nut 3	121.7 lbf⋅ft121.7 lbf⋅ft165 N⋅m
Replace nut.
Nut 7	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m
Replace nut.
Figure 1. Wheel suspension, Front axle suspension, All other modifications.
Screw 1	79.66 lbf⋅ft79.66 lbf⋅ft108 N⋅m
See figure 1.

expand_moreScrew 4


First stage	41.3 lbf⋅ft41.3 lbf⋅ft56 N⋅m
Second stage	90°90°90°


Screw 5	59.74 lbf⋅ft59.74 lbf⋅ft81 N⋅m
Replace nut.
Screw 6	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreFront suspension cross-brace

expand_moreM10


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws.
Second stage	60°60°60°

expand_moreM12


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use new screws.
Second stage	100°100°100°

expand_moreLower front transverse control arm

expand_moreAt the subframe (M12, class 10.9)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
Second stage	90°90°90°

expand_moreAt the subframe (M12, class 8.8)


First stage	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreLower rear transverse control arm

expand_moreAll other modifications

expand_moreAt the subframe (M12, class 10.9)


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
Second stage	90°90°90°

expand_moreAt the subframe (M12, class 8.8)


First stage	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
Replace screws and nuts.
Second stage	90°90°90°

expand_moreWheel hub wheel bearing

expand_moreM12


Wheel bearing unit	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Use new screws.

expand_moreWheels and tires

expand_moreWheel attachment


All other modifications	88.51 lbf⋅ft88.51 lbf⋅ft120 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 3 Series Sedan 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 3 Series Sedan 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 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

2012 BMW 3 Series Sedan generations

In 2012 BMW offered 2 generations of the 3 Series Sedan. Front suspension fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Sixth generation

F30

2012 BMW 3 Series Sedan Fifth generation LCI Front Suspension Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2012 BMW 3 Series Sedan generations

Sixth generation

BMW 3 Series Sedan Fifth generation LCI model years

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