Any time you use a wheel spacer you MUST have a longer wheel bolt or wheel stud to properly fasten the wheel to the hub. We offer extended wheel spacer bolts in silver and black finish in a variety of lengths to fit many spacer sizes. We're up to date on the different thread sizing as well - 12x1.5, 14x1.25, and 14x1.5 so we can supply wheel bolts for just about any BMW or MINI.
Add the spacer thickness to your stock bolt length and that is your ideal extended bolt length. We generally sell bolts by spacer thickness but there may be exceptions. It's always best to measure from the wheel bolt you're currently using. When we list the total length of a bolt it's from the base of the mounting seat to the tip. To be considered safe, a 12x1.5 wheel bolt needs 10mm (6.5 turns) of thread engaged; a 14x1.25 or 14x1.5 bolt needs 12mm (9.0 and 7.5 turns) of engaged thread.
Wheel studs are among the safest and most beneficial upgrades you can make on a track car. Not only are wheel studs safer than wheel bolts but they make changing wheels/tires much easier. One of the frustrating things about installing your wheels on the hub is that it's difficult to line up the wheel on the bolt holes. As wheels get larger but also heavier it's even more trouble. Add in a wheel spacer and the task is twice as hard. BMW does produce a wheel alignment pin for this purpose but if you're changing wheels often a stud conversion is the better way to go. Our original bullet nose studs are available in 78mm and 90mm overall lengths. The 78mm works great for cars that do not use a spacer (or a spacer smaller than 15mm). We recommend the 90mm length for cars that have a spacer larger than 15mm. These studs come with a black magnesium phosphate coating for excellent corrosion resistance. These studs are perfect for dual-purpose street/track cars. The studs are stronger and safer than wheel bolts and have a barrier against corrosion which makes them suitable for street use. For a dedicated race or track car, where wheel changes or pit stops are more frequent, check out our racing dry lube studs. Our studs are also designed and manufactured with the properly sized shank to work with a wider range of BMW wheel, nut, and brake rotor combinations. We intentionally avoid the extra large shoulders you see on other studs because they can interfere with some brake rotor hats. The extra-large shoulder can be too large to allow the rotor to pass through and drilling out the holes is required (not cool!) Our studs have the sufficient shank for the brake rotor without interfering.
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*MADE TO ORDER; ALLOW 2-3 BUSINESS DAYS* The E9X M3 / E82 1M have unquestionably become modern-day icons for their formidable street and track dominance. Both of these cars are equipped with M12x1.5 hardware from the factory, leaving them precariously prone to failure during rigorous track sessions and consequently, a potentially dangerous and damaging fate. Fall-Line Motorsport has developed a hub retrofit kit that will convert your E9X M3 / E82 1M to the more robust M14x1.25 hardware as well as shave rotational mass from each corner. OE M12x1.5 Front Hub Assembly: 3293g FLM M14x1.25 Front Hub Assembly: 2957g (-0.74lbs per corner) OE M12x1.5 Rear Hub Spindle: 1686g FLM M14x1.25 Rear Hub Spindle: 1441g (-0.54lbs per corner) Each hub kit comes pre-assembled, moly-coated, and includes everything you'll need for a truly plug and play retrofit*, including all new hardware. NOTE: *OEM rotor hats and select aftermarket solutions may require drilling out rotor hats to accommodate M14 hardware. Please also verify your desired wheel set can accept M14. Stud Kit pictured is sold separately. What is moly coating? Molybdenum Disulfide Coatings (MoS2 coatings), also known as Moly Coatings, are a dry film lubricant that are commonly used in applications where load carrying capacity, operating pressure and coefficient of friction are primary concerns. This coating provides effective lubrication in a wide range of loads, in many cases exceeding 250,000 psi. Moly coatings lubricate sacrificially by transferring lubricant between the two mating surfaces, which helps to reduce wear and coefficient of friction.
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