DriftMax Pro Steering Lock Adapters Specifications
DriftMax "Pro" adapters allow you to exceed 60° steering angle. Their performance, excellent quality and great robustness make them perfectly suited to intensive use on the track and in competition. Installed between the hub carriers, the lower wishbones and the steering rods, they modify the design of the front axle to allow for a larger lock angle, correct the roll center and limit the bump steer (unwanted change of toe in and toe out with shock absorber travel).
This product requires modifications in order to be fitted. It is not possible to use it on an stock front axle. The following parts are required for installation:
- 15 to 45 mm extended lower arms.
- BMW E46 steering tie-rod ends
- OEM steering tie-rods for up to 15 mm longer lower arms.
- BMW X3 steering tie-rods for 15 mm to 30 mm longer lower arms.
- BMW E90 steering tie-rods for 30 mm to 45 mm longer lower arms.
- To prevent the wheels from rubbing the wishbones at the full lock, fit 17" diameter front rims, 7.5" or 8" wide, with an ET close to 30-35.
- Front tires in size 205/40, 205/45, 215/40 or 215/45 are recommended.
- To cope with extended lower arms, we recommend shifting the top of the shock absorber outwards and slightly forward with 3D adjustable top mounts.
- Reinforce the wishbone bushes, either by opting for Powerflex Black Series (caster offset, for increased adjustment range), or "Lollipop" uniball brackets.
- Note that these adapters fit only on standard E46 hubs (not suitable for M3 hubs).
Please note that the length of the selected lower arms will determine the length of the steering rods.
The above information is only an example. There are many other ways to make a correct assembly, but extended lower arms are the first step, then all other parts must be prepared to fit these lower arms.
Our steering adapters cannot be fitted to a full stock car without adjusting the length of the tie rods.
The adapters provide a large steering angle and because of this, the use of larger arms is strongly recommended.
Recommended "Drift" Alignment Setup
You will find below some alignment values, tested and approved by ourselves and our customers, known to give good results in drifting and offer optimal control of the vehicle. Of course, this guide remains generic: it offers basic guidelines, to be adapted according to your vehicle and its modifications, its weight and power, your driving style, the type of tires, the track or the weather conditions, etc. It is not specific to BMW, and can be used as a reference on many other cars such as Nissan 200SX, Skyline, Mazda MX-5, RX-8, Toyota Supra ...
Front Axle :
- Toe out : 10 to 30'
- Caster : 4 to 6°
- Camber : -3 to -1.5°
- Springs and shock absorbers rating : harder
Rear Axle :
- Toe in : 10 to 20'
- Zero camber, or even slightly positive for high power (for wheels to operate "flat" and maximize traction when car squats under strong acceleration)
- Springs and shock absorbers rating : softer
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