





BIMECC - BMW Wheel Stud and Nut Conversion Kit
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Description
Bimecc BMW Wheel Stud and Nut Conversion Kit
A stud conversion lets you locate the wheel on fitted studs before securing it with wheel nuts. This standard black-nut BMW kit provides separate front and rear stud-length choices for compatible five-bolt wheel setups.
Choose the hub thread first
- BMW E Series option: M12 x 1.5.
- BMW F and G Series / Mk5 Supra option: M14 x 1.25.
Confirm the actual hub thread and wheel-nut seat. Chassis generation alone is not a fitment check, especially where hubs or wheels have been changed. The stated nut seat is 60° conical; it must match the wheel.
Select front and rear lengths separately
The selector offers 68mm, 75mm, 82mm and 90mm lengths for each axle. Its spacer descriptions are starting points, not a universal fitment guarantee. Required length depends on wheel mounting-face thickness, spacer thickness, usable hub engagement and nut engagement. Have these checked on the actual wheel and hub combination.
Kit and finish choices
This is the stud-and-nut vehicle kit. Tools, threadlocker and spacers are not included in this listing. For installation consumables, see the BMW kit with fitting tools and consumables. For a different nut finish, use the separate BMW copper-coated nut kit; copper is the coating, not the stud material.
Fitting and ongoing checks
Use the stud and nut conversion fitting guide alongside the correct manufacturer instructions. Professional installation is recommended. Inspect the hubs and threads, verify engagement and clearance, and follow the correct tightening and inspection procedure for the hardware and wheels.
For other vehicle applications, browse stud and nut conversion kits. Check the live availability message or contact us for the current delivery estimate for your chosen thread and lengths. Images may illustrate a different length combination.
Browse Bimecc wheel spacers, studs and nuts to compare the available hardware.
Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
Finance Options
Available payment options and current terms are shown at checkout. Instalment options depend on the provider and eligibility. Please review the terms displayed before confirming your payment.
Specifications
- Brand
- Bimecc
- Product type
- Stud & Nut Conversion Kits
- SKU:
- BIMMECC-STUDKIT-FG-68mm
- Barcode
- BIMMECC-STUDKIT-FG-68mm
- Vehicle Fitment
- BMW E Series (M12 x 1.5)
- Stud Length (Front)
- 68mm (No Spacers)
- Stud Length (Rear)
- 68mm (No Spacers)
- Vehicle make
- BMW and Toyota
- Vehicle model
- 335i, 340i, 435i, 440i, M135i, M140i, M2, M235i, M240i, M3, M3 Touring, M340i, M4, M440i, M5, M8, 540i, and Supra
- Vehicle variant
- E90, E92, E93, F10, F20, F21, F22, F23, F30, F31, F32, F33, F34, F36, F40, F80, F82, F83, F87, F90, F91, F92, F93, G20, G21, G22, G42, G80, G81, G82, G83, and G87

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Wheel Spacer Questions Answered
Wheel spacers are one of the simplest ways to improve the stance, fitment and overall look of your car, but it’s important to choose the right size and type for your setup. Below, we’ve answered some of the most common questions we get about wheel spacers, including fitment, safety, handling, bolt length and whether they’re suitable for daily or track use.
Are wheel spacers safe?
Yes, when they’re fitted correctly. We always recommend using quality hub-centric spacers, the correct bolt length, and making sure everything is torqued properly. Cheap universal spacers or incorrect hardware are where people usually run into problems.
What size wheel spacers do I need?
It depends on the car, wheel size, offset and how aggressive you want the fitment to look. As a general rule, we suggest measuring the gap between the wheel and the arch first, rather than guessing. If you’re unsure, send us your car details and wheel specs and we’ll help point you in the right direction or checkout our guide here
Will wheel spacers affect the way my car drives?
A small spacer setup usually won’t cause any major issues, and many customers fit them purely to improve stance. Larger spacers can change the track width and steering feel slightly, so it’s worth choosing a sensible size for your setup.
Do I need longer wheel bolts with spacers?
In most cases, yes. If you’re fitting slip-on spacers, you’ll normally need longer bolts to match the spacer thickness. For bolt-on spacers, the spacer bolts to the hub first, then the wheel bolts to the spacer. Either way, the correct hardware is essential.
Can I use Bimecc wheel spacers on track?
Yes, provided they’re high-quality, hub-centric spacers and fitted correctly. For track use, we’d always recommend checking torque before and after sessions, and avoiding overly aggressive spacer sizes that could create rubbing or unnecessary load.
Will Bimecc wheel spacers make my wheels rub?
They can if the spacer size is too aggressive. Rubbing depends on ride height, tyre size, wheel offset and suspension setup. We always recommend checking clearance properly, especially if the car is lowered or running wider tyres.
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