BMW E30 pair of reinforced rear control arms (core exchange)

BMW E30 pair of reinforced rear control arms (core exchange)

E30 reinforced rear control arm exchange program

The stock e30 rear trailing arms live a hard life. Even in stock form, its not uncommon to see the rear sway bar mounting points torn and in rare cases, the shock mounting point broken off. Take this opportunity to restore your rear control arms the right way. Do it once. Do it right. 

If you want a bolt up solution then this is it! This is a core exchange program. You send your stock straight rear rear control arms, we sand blast, weld rear sway bar reinforcements, weld in our wing gusset, weld in shock mount brace, powdercoat and then send it back! This is a bolt up way to get reinforced rear control arms. This allows the use of aftermarket sway bars without ripping mounting points out. Send us back your STRAIGHT core and we will refund you $150. Powdercoat is included. 

We can modify BMW Z3 rear control arms too but you must supply cores as the wheel bearings may be diffrent then the cores we have. Not spec e30 legal! 

How long does the modification take?

To ensure a quality and more durable part, we now powdercoat all of our control arms at no additional cost.  If you do not supply a core and we must source one, then add another week. So anywhere from 1 to 3 weeks depending on options. Supplying your core speeds the process along. You can use the box it comes in to ship your old cores back. If you choose to send your core in to be worked, you will not be charged the $150 core. If you will sending in your core after you received the rework you will be charged the $150. Once we receive your core we refund you with 7-9 days using the method you paid with.

NOTE: WE PRESS IN OUR REAR TRAILING ARM BUSHINGS FREE OF CHARGE. If you add the bushings to your cart we can press them into the control arms at no extra cost. 

Core exchange options

This will explain the core options. 

If you chose "I will supply my core upfront". You will not pay the $150 core charge upfront. We will wait until we get your core which is why you are not charged.  This option is the fastest. Supplying your cores speeds the process along. If we must source a core then this adds a week to turn around time.

If you chose "I will return my core after", then you will be charged the $150 upfront. This will also add a week to the turn around time because we must source a core to modify for you.

If you choose "I will not be sending in my core" then you will be charged the $150. This will also add a week to the turn around time.



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  • Brand: Garagistic
  • Product Code: reinforced-e30-rear-control-arms
  • Availability: In Stock
  • $350.00

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Tags: e30, control arm, arm, trailing, trailing arm, rear control arm, rear reinforced control arms, rear control arms, rear control arm, reinforced rear control arms, e30 reinforced rear control arms, #FRE