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Top selling nuts and boltsIf you are looking for the correct wheel bolt size for your BMW 3 Series, this guide explains the thread size, seat type, bolt length and torque settings used across different generations.
The BMW 3 Series has been in production since 1975 and has undergone multiple generation changes. Wheel bolt specifications vary depending on model year and chassis generation. Earlier E-series models typically use M12 wheel bolts, while later F and G series models use M14 bolts.
Models covered:
Thread size: M12 x 1.5
Typical thread length: 26mm
Seat type: 60° tapered cone
Hex size: 17mm
Torque setting: Around 120 Nm
The earlier BMW 3 Series models (E21, E30 and E36) use smaller M12 bolts. Then came a maor facelift with the popular E46, this gernation continued to use the M12 wheel bolts. From 2004 – 2007 the E90 ushered in the more modern look for the 3 series. This often causes some confusion, but the E90, E91, E92 and E93 still use the same M12 x 1.5 wheel bolts.
If fitting aftermarket alloy wheels, you may require different bolt lengths or slim/tuner style bolts for recessed holes.
The F30, F31 and F34 generations introduced a change to larger wheel bolts.
Thread size: M14 x 1.25
Typical thread length: 27mm
Seat type: 60° tapered cone
Hex size: 17mm
Torque setting: Around 120 Nm
This change from M12 to M14 means bolts are not interchangeable between E and F models. Always confirm your exact model year before ordering.
If spacers are fitted, longer bolts may be required.
1 Series
BMW 3 Series (F30 LCI) 2012 – 2018 – BMW alloy wheel bolts Black. M14 x 1.25, 27mm thread, 17mm Hex
1 Series
BMW 3 Series (F34) 2013 – 2018 – BMW alloy wheel bolts Black. M14 x 1.25, 27mm thread, 17mm Hex
The G generations have continued to use the M14 wheel bolts.
Thread size: M14 x 1.25
Typical thread length: 27mm
Seat type: 60° tapered cone
Hex size: 17mm
Torque setting: Around 120 Nm
Becasue the G model 3 series have maintained the use of the M14 wheel bolts, these are interchangeable with the earlier F generation cars.
If spacers are fitted, longer bolts may be required.
If your BMW 3 Series has aftermarket alloy wheels fitted, you may require:
A different bolt length
Slim or tuner-style wheel bolts
When using aftermarket alloy wheels it is sometimes necessary use spacers to allow for different offsets.
Using incorrect bolt length or seat type can prevent proper wheel seating and may result in vibration or safety issues.
Some styles of aftermarket alloys are designed to fit multiple hub bolt patterns (PCD). This style of wheel is often referred to as multi fitment alloy and will have 8 – 10 bolt holes. Due to the extra number of holes they are drilled narrower than standard and you will need to use Tuner or Slim bolts.
If unsure, measure the original bolt length and confirm thread engagement before purchasing.
No. Earlier E models use M12 x 1.5 bolts, while later F and G models use M14 x 1.25 bolts.
Most BMW 3 Series models use a torque setting of approximately 120 Nm, but always check your owner’s manual for confirmation.
BMW 3 Series models use a 60° tapered (cone) seat. The seat type must match both the bolt and the wheel.
No. E-series models use M12 bolts, while F and G-series use M14 bolts. They are not interchangeable. Although you can use wheel bolts between F and G generation as they both use the M14 x 1.25 thread.
