Ground Control - E30 S/A Coilover Kit (Complete Package)

Purchase Ground Control - E30 S/A Coilover Kit (Complete Package)

Ground Control single adjustable coilover kit for the BMW E30 is a hugely popular setup for the enthusiast. We have the best price!

*Image is an example of a fully assembled kit. Product will require assembly. Shown with Ground Control Welded and Powder-Coated Service available as an option. Your strut housings must be sent in for this service.*

Application:

• Available for ALL E30 Models, but please specify in box above.
• If you cannot decide on a spring rate, you may specify your general outline of your cars use in this box as well.

(4) Ground Control custom valved Koni single-adjustable dampers ([2] front strut inserts, [2] rear shocks)

Koni Single Adjustable Front Strut Custom Valved strut inserts are externally adjustable from underneath the hood, even with the factory strut brace. This strut is prepared for coil over use, and eliminates machining of critical suspension components.

Koni single adjustable rear shocks
Ground Control / Koni Single Adjustable Rear Shocks Preadjusted by Ground Control to match your rear spring rates using our shock dyno. The GC custom valved version of this kit is the "top-adjust" version, which adjusts from inside the trunk or under the hood with no tools needed.

Ground Control Hight adjustment
Ground Control Threaded Sleeves

This system is designed to eliminate stress risers caused by machining notches into the strut housing. Unlike other companies that claim superiority by cutting threads into a critical component of the suspension, Ground Control uses engineering common sense to maximize the strength of the suspension.

Ground Control Adjustable Spring Perch A unique design, that uses an allen head bolt to clamp the single threaded perch into the correct position. No secondary pieces are needed to "jam" the threaded perch into position. This method of clamping onto the threads also prevents sand, grit, and water from getting into the threads, which is a common problem with jam nuts.


Pair (2) front Camber Plates

Ground Control Racing Camber / Caster Plates More camber adjustment than stock, caster adjustment, aircraft bearings, engraved with calibrated degrees, with stainless steel reinforcement. Every component is anodized or plated, including fasteners. Adds extra travel to avoid excessive bottoming out, this is a very well engineered product. The stainless steel reinforcement prevents electrolysis between the steel fender and the aluminum camber plate.
Camber and caster are separately adjustable by sliding the mounts, without removing any components from the car. The priority of this design is to allow fast, repeatable alignment changes at the track.
The Ground Control camber plates feature two sets of bearings, a proprietary bearing, made to our specs by Aurora in the USA, which allows for articulation of the shock shaft. This spherical bearing is very understressed, as the Ground Control design does NOT support the weight of the car on the spherical bearing. Instead, the weight of the car is supported by a completely separate articulating needle bearing, which is also manufactured for Ground Control in the USA.

4 Eibach ERS springs, (not pro-kit), with a race OR street spring rate.

Eibach Springs Any spring rate is available. Eibach springs are made on German machines both in the USA and in Germany, however all Eibach springs have a lifetime guarantee against sagging, rate change, or any manufacturing or material failure. Lifetime guarantee. Compare.

(4) Ground Control bump stops (made in Germany)

Ground Control Bump Stop We do not just ask you to reuse your stock bump. The stock bump stop is designed for stock suspension we provide a bump stop designed to work with our suspension. These are soft foam, same quality as OE BMW parts, but made to our specs in Germany.

2 Rear ride height adjusters

Ground Control Rear Ride Height Adjustment Kit Billet aluminum threaded adjusters press onto the top of the rear control arm.


(2) Rear Upper Shock Mounts, heavy duty (urethane) for great feel and control with comfort. Reduced fatigue to chassis shock mounting points.
Bushings can be installed in either a stiff or semi-stiff position, this is the perfect rear shock mount . 6061 aluminum, with two steel studs mounted to a steel bracket sandwich this mount to the body, and allow quick access from under the wheelwell for adjusting rear shocks, especially Konis. lifetime guarantee.



For those who want the ultimate Ground Control setup, GC can shorten housings, reinforce mounting points, install perches and powder coat your struts casings for $210 per pair (select this option above, requires your housings to be mailed in)

professional install is highly recommended.

There is no wholesale pricing or further discounts on this kit

Purchase Ground Control - E30 S/A Coilover Kit (Complete Package)

• SKU: GC-SACK-E30
• Strut Length: Use full length front struts; Short Front (low ride hight-must shorten housings
• Front Spring Rate: (350 Lbs) / (6.25 kg/mm); (440 Lbs) / (7.85 kg/mm); (500 Lbs) / (8.9 kg/mm); (525 Lbs) / (9.37 kg/mm); VAC, call me to help me chose after my order
• Rear Spring rate: (475 Lbs) / (8.48 kg/mm); (525 Lbs) / (9.37 kg/mm); (625 Lbs) / 11.16 kg/mm); VAC, call me to help me chose after my order
• Front Camber plates: Standard GC style (most adjustment); Hybrid "Touring" (a quieter plate)
• Chassis Type: E30 (All)

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