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Details
| Specification | Value |
|---|---|
| Brand | OPTIMAL |
| MPN | g8-544 |
| Fitting Position | Rear |
| Fitting Position | Driver Side |
| Fitting Position | Front Axle |
| Fitting Position | Bottom |
| Diameter [mm] | 66 mm |
| Quantity Unit | S |
OE numbers (6)
Search by this OE number to find compatible parts
- BMW—31126757622
- BMW—31126757623
- BMW—31126777849
- BMW—31126777850
- BMW—31126783375
- BMW—31126783376
Where this part fits
Original-fit position for OE 31126783375.
What's in the kit
This kit ships with 2 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | F8-5280 | Holder, control arm mounting
| 1 |
| 2 | F8-5281 | Holder, control arm mounting
| 1 |
About this product
When repair kit control arm performance matters, the OPTIMAL G8-544 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Fitting Position: Rear, Fitting Position: FB, Fitting Position: Front Axle, Fitting Position: U, Diameter [mm]: 66 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with ALPINA, BMW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 000 190 099 515, 000190099515, 000 190 125 515, 000190125515 and 34 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About OPTIMAL
OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.
Suitable cars
Equivalent products (32)
Show all 32 OE numbers
Repair Kit Control Arm OPTIMAL G8-544 — compatible car models
| Car models | ALPINA: B3 Coupe (E46), B3 (E46), B3 Touring (E46); BMW: 3 Compact (E46), 3 Convertible (E46), 3 Coupe (E46), 3 (E46), 3 Touring (E46), Z4 Coupe (E86), Z4 Roadster (E85) |
|---|---|
| Engines | 3.3; 316 ti; 318 Ci; 316 Ci; 316 i; 3.0 si; 2.0 i |
| Year of manufacture | 1997-2009 |
| Manufacturer article number (MPN) | G8-544 |
| OE part numbers | 31126757622, 31126757623, 31126777849, 31126777850, 31126783375, 31126783376 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OPTIMAL g8-544 . Control/Trailing Arm Type: 1. Diameter [mm]: 66 mm. Fitting Position: FB. Fitting Position: H. Fitting Position: U. Fitting Position: VA. Material: 1. Quantity Unit: S
- 1x Repair Kit Control Arm
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Repair Kit Control Arm compatible with my car?
This Repair Kit Control Arm fits ALPINA, BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this OPTIMAL Repair Kit Control Arm have?
This OPTIMAL Repair Kit Control Arm has the following specifications: Fitting Position: H; Fitting Position: FB; Fitting Position: VA; Fitting Position: U; Diameter [mm]: 66 mm; Material: 1. Check the full specifications table above for complete details.
What OE part numbers does this Repair Kit Control Arm replace?
This Repair Kit Control Arm replaces OE part numbers: 31126757622, 31126757623, 31126777849, 31126777850, 31126783375, 31126783376. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Repair Kit Control Arm cost?
This OPTIMAL Repair Kit Control Arm is available for £77.99. Repair Kit Control Arm prices vary depending on brand, specifications, and vehicle compatibility. OPTIMAL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Repair Kit Control Arm?
Regular inspection of your Repair Kit Control Arm is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Repair Kit Control Arm?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Repair Kit Control Arm fitted by a professional mechanic.
Can I use this part as a replacement for OE 31126757622?
Yes, this OPTIMAL Repair Kit Control Arm is a direct replacement for OE part number 31126757622. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
