

Control arm kit with PU bushings for BMW 3 Series E46 / Z4 — TA Technix
Ref. 55BM0003/1
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Suspension control arm kit with PU bushings for BMW 3 Series E46 / Z4
Features
Technical details
- Models with Ø 23mm stabilizer bar, consisting of:
- OEM part number: 31 12 1 094 465, 31 12 6 751 317, 31 12 6 752 717, 31 12 6 758 519, 31 12 6 770 247, 31 12 6 774 819, 31 12 6 777 851
- OEM part number: 31 12 1 094 466, 31 12 6 751 318, 31 12 6 752 718, 31 12 6 758 520, 31 12 6 770 248, 31 12 6 774 820, 31 12 6 777 852
- OEM part number: 31 12 6 756 063, 31 12 6 757 623, 31 12 6 757 623 S1
- OEM part number: 31 12 6 756 064, 31 12 6 757 624, 31 12 6 757 624 S1
What this part changes
The original bushing is made of rubber: it filters well, but it deforms under load. When cornering or braking, the control arm moves by a few millimeters and the geometry changes during the maneuver - this is the vagueness between the steering wheel and the wheels.
Polyurethane deforms much less: the connection becomes precise and repeatable, and the car responds at the same point every time. In return, more road noise and vibrations enter the cabin, especially when cold.
What to plan for
- Install greased with PU or silicone grease - never use mineral grease, as it attacks polyurethane.
- Tighten to the specified torque with the wheels on the ground.
- On a family car, start with the front stabilizer bar before converting everything to PU.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| BMW | 3 Series E46 | — | — |
| BMW | 3 Series E46 Compact (346K) | — | — |
| BMW | Z4 type Z85 | — | — |
Delivery & warranty
Frequently bought together
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since 2017
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