Small-size suspension arm set for BMW 3 Series E30/Z-1 — TA Technix
Ref. 52BM0013
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Small-type suspension control arm for BMW 3 Series E30/Z-1
Features
Technical details
- Includes:
- OEM part number: 31121127725
- OEM part number: 31121127726
- OEM part number: 31121136531, 31121139789
- OEM part number: 31121136532, 31121139790
What this part changes
The control arm holds the wheel and absorbs braking, potholes and acceleration forces. When its bushings or ball joint develop play, the alignment shifts under load: the steering becomes vague, the tyre wears unevenly, and no wheel-alignment adjustment 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 mandatory after installation: toe changes as soon as you touch a control arm.
- Tighten to the specified torque with the wheels on the ground, otherwise the bushings will be preloaded and squeak.
- If the suspension is removed, take the opportunity to inspect the ball joints and drop links.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | 3 Series (E30), including M3, excluding iX models | — | — |
| BMW | Z-1 Roadster | — | — |
Frequently bought together
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since 2017
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Rasl'Bitume, specialist in tuning and air ride in France since 2017. Wheels, coilover kits, air ride kits: everything for stance and lowering. Delivery across Europe.