

Large control arm set for BMW 3 Series E30 — TA Technix
Ref. 53BM0013
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Suspension control arm with large play for BMW 3 Series E30
Specifications
Technical details
- Consists of:
- OEM part number: 31121127725
- OEM part number: 31121127726
- OEM part number: 31 35 1 091 764, 31 35 1 127 689, 31 35 1 128 737
- OEM part number: 31121136531
- OEM part number: 31121136532
- OEM part number: 32111125186
- OEM part number: 32111125187
What this part changes
The control arm holds the wheel in place and absorbs braking forces, potholes, and acceleration. When its bushings or ball joint have play, the geometry moves under load: the steering becomes vague, the tyre wears unevenly, and no wheel alignment setting stays correct.
A new control arm restores the car's original precision - it's a repair, not a performance upgrade, but it is often the most noticeable change you can feel on a ten-year-old car.
What to plan for
- Wheel alignment is essential after installation: the toe setting changes as soon as you touch a control arm.
- Torque to specification with the wheels on the ground, otherwise the bushings work under preload and squeak.
- If the axle is removed, take the opportunity to check the ball joints and tie rods.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | 3 Series E30 | — | — |
| BMW | Z-1 Roadster | — | — |
Delivery & warranty
Frequently bought together
Enthusiasts at your service
since 2017
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