BMW E36 / E46 rear trailing arm (RTA) bushings and mounts

Rear trailing arm (RTA) bushings and mounting solutions for BMW E36 / E46 / Z4 models 

Main features of the kit:

• E36 / E46 rear trailing arm (RTA) eccentric bushings (45mm) for geometry correction

  • 7mm offset for improved roll-center
    
  • Can be rotated for enhanced camber curve
    
    

• E36 / E46 rear trailing arm (RTA) eccentric bushings (60mm) for geometry correction

  • 7mm offset to maintain trailing arm angle or to be used with improved anti-squat setting on our RTA front mounts

• E36 / E46 rear trailing arm (RTA) concentric bushings (60mm)

• E36 / E46 rear trailing arm (RTA) OE ball joints (45mm)

  • OE part number 33326775551
    
  • Manufacturer part number Febi Bilstein 12700
  • Fits both upper and lower arms

• E36 / E46 rear trailing arm (RTA) front mounts

  • 50% increased toe adjustment range
    
  • Dual bolt pattern with stock or 15mm improved anti-squat setting for more grip under acceleration (eccentric bushings must be used with this setting)

• AW-7075 aluminum lightweight bearing cups on all MRT variations
  

• Solid replacement for rubber bushing with no flex

• Replaceable Motorsport quality spherical bearings on all MRT variations

• Sold as kits

• Comes with mounting hardware and of course MRT Engineering decals

Why do you need one?

These kits replace original rubber bushings and allows you to adjust geometry. Original rubber bushing is a flexible part and has negative effect on steering feel, this part is 100% solid without any flex. Recommended for track and drift use.

Does it fit my car?

These kits can be used in all E36 / E46 / Z4 models. See available variations:

Content/bundle:

• E36 / E46 Rear Trailing Arm eccentric bushings 45mm (4pcs)
• E36 / E46 Rear Trailing Arm eccentric bushings 60mm (2pcs)
• E36 / E46 Rear Trailing Arm concentric bushings 60mm (2pcs)
• E36 / E46 Rear Trailing Arm OE ball joints 45mm (2pcs)
• E36 / E46 Rear Trailing Arm front mounts (2pcs)

Is it easy to install?

Instructions, PDF

Assembly drawing, PDF

You'll need a press for removing the old and installing the new joints, no other special tools needed.

If you need any further info please contact us!

How about the lifetime and service of the kit?

The kit does not need service while in use, always use Loctite on bolts and screws that might become loose. The kits have been proven on street and track applications by hundreds of our customers. We're constantly doing R&D to make the kits even better, all improvements are based on customer feedback which is very important to us. Any of the spare parts can be also bought separately from us.

We want to keep our customers 100% happy thus we're only using the best materials and manufacturing processes available. CNC machined aluminum parts are AW-7075 with hard anodized finish, spacers used on the kits are 316L stainless steel. Brackets are made of laser cut structural steel, powder coated black.

We use DHL Express shipping for all items. Please find your order tracking information from DHL website.