BMW Front Lower Wishbone Suspension Arms (Left + Right) – 4 Series / X5 / X6 / X7

At DDP AutoParts, we offer a robust pair of front lower wishbone suspension arms (left + right) — designed to fit key BMW models such as the 4 Series, iX, X5, X6, and X7. These control arms are engineered with high-strength materials and pre-installed bushings / ball joints, ensuring a precise and reliable replacement. Over time, the original arms can wear due to bushing fatigue or ball joint play, which leads to knocking noises, poor handling, or alignment problems. Our aftermarket solution provides OEM-level durability at a fraction of the dealer cost, helping restore stability, ride comfort, and safe steering dynamics.

OEM Number: 8841941 8841942 8866771 8866772 8833466 31106878081 31106878082 31108841941 31108841942 31108866771

Product Details

Fitting Position: Front Axle Left & Right Lower

Thread Size: M16 x 1,5

Cone Size: 19 mm

Inner Diameter: 12 mm

Quantity: Pair

Our SKU: TB31106878081-78082PAIR_94

All our Front Left & Right Lower Wishbone Suspension Arms Pair are OEM quality and reliable after-market car parts. This Front Left & Right Lower Wishbone Suspension Arms Pair is specifically compatible with BMW: 4 Series, iX, X5, X6, and X7.

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part with your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ Frequently Asked Questions 

1. Which BMW models are these lower wishbone arms compatible with?
   These arms are made to fit a range of BMWs — including the 4 Series (F-models), X5, X6, X7, and even iX, depending on the exact sub-model and suspension variant. Always check your VIN or the part number on your existing arms to confirm compatibility. 

2. Why would someone need to replace their front lower wishbone arms?

   • The bushings inside these arms degrade over time, leading to looseness or knocking.

   • The ball joints can wear out, causing play in the suspension and poor handling.

   • In some cases, after accidents, these arms can bend, which will misalign the suspension and compromise safety.

   • BMW has noted that older lower levers with a U1-style bushing are superseded by newer U3 spec levers — so mixing old / new is not recommended.

3. Is it important to replace them in pairs (both left and right)?
   Yes — to maintain balanced suspension geometry, it’s highly recommended to replace both arms at once. This ensures even wear and consistent handling characteristics across both sides.

4. After replacing these control arms, do I need to do a wheel alignment?
   Definitely — anytime you replace suspension components like wishbone arms, a full alignment is critical. As some BMW owners note, failing to align can result in wobbly or unstable steering.

5. How difficult is the installation?

   • The job involves raising the vehicle, removing the wheel, and unbolting the old control arms.

   • Torqueing the inboard bolts should be done with the suspension properly loaded to ensure correct bush positioning.

   • Once installed, double-check everything for tightness and do an alignment.

6. What symptoms indicate the wishbone arms are failing?

   • Knocking or clunking noises from the front suspension.

   • Vibration in the steering or feeling of looseness. > As one X5 owner reports, “front lower control arm bushing is ‘blown’ … they recommended replacing both front lower control arms.”

   • Uneven tyre wear or unstable handling over bumps.

7. What guarantee or warranty do you provide on these arms?
   At DDP AutoParts, we back these wishbone arms with our standard parts warranty. If there's any issue — fitment, noise, or premature wear — our support team will help with replacement or return.

8. Why choose these aftermarket arms from DDP AutoParts instead of OEM BMW arms?

   • Cost savings: Aftermarket arms are significantly cheaper than OEM control arms.

   • Quality: We stock parts with strong build quality and fitted ball joints / bushings.

   • Availability: Faster restock versus waiting for OEM parts from the dealer.

   • Support: We provide fitment advice, assistance with torqueing, and guidance on alignment.