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Details
| Specification | Value |
|---|---|
| Brand | OPTIMAL |
| MPN | g5-708 |
| Fitting Position | Right |
| Fitting Position | Rear |
| Fitting Position | Bottom |
| Fitting Position | Front Axle |
| Length [mm] | 287 mm |
| Bore Diameter [mm] | 6 mm |
| External Thread [mm] | M14 x 1.50 RHT M mm |
| Bolt Head Diameter [mm] | 16.2 mm |
| Mounting points diameter [mm] | 12.2 mm |
| paired article number | G5-707 |
OE/OEM numbers (5)
Search by this OE number to find compatible parts
- ALPINA / BMW / BMW (BRILLIANCE)—31122347952
- ALPINA / BMW / BMW (BRILLIANCE)—31122347965
- ALPINA / BMW / BMW (BRILLIANCE)—31124028608
- ALPINA / BMW / BMW (BRILLIANCE)—31126760182
- ALPINA / BMW / BMW (BRILLIANCE)—31126768298
Where this part fits
Original-fit position for OE 31126768298. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 1 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 | G9-527 | bushing, control/trailing arm
| 1 |
About this product
OPTIMAL Control Trailing Arm Wheel Suspension (G5-708) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Fitting Position: Right, Fitting Position: Rear, Fitting Position: U, Fitting Position: Front Axle, Length [mm]: 287 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with ALPINA, BMW, BMW (BRILLIANCE) 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: 0066362A1, 030290103515-01, 030290103515-02, 030291103515-01 and 81 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL is a recognised supplier of automotive suspension 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 from our UK warehouse with a 30-day money-back guarantee and free 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 (83)
Show all 83 OE numbers
Control Trailing Arm Wheel Suspension OPTIMAL G5-708 — compatible car models
| Car models | ALPINA: B5 (E60), B5 Estate (E61); BMW: 5 (E60), 5 Touring (E61); BMW (BRILLIANCE): 5 SERIES (E60) |
|---|---|
| Engines | 4.4; 520 d; 520 i |
| Year of manufacture | 2001-2010 |
| Manufacturer article number (MPN) | G5-708 |
| OE part numbers | 31122347952, 31122347965, 31124028608, 31126760182, 31126768298 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OPTIMAL g5-708 . Bolt Head Diameter [mm]: 16,2 mm. Bore Diameter [mm]: 6 mm. Control/Trailing Arm Type: 1. External Thread [mm]: M14 x 1,50 RHT M mm. Fitting Position: H. Fitting Position: R. Fitting Position: U. Fitting Position: VA
- 1x Control Trailing Arm Wheel Suspension
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Control Trailing Arm Wheel Suspension compatible with my car?
This Control Trailing Arm Wheel Suspension fits ALPINA, BMW, BMW (BRILLIANCE) 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 Control Trailing Arm Wheel Suspension have?
This OPTIMAL Control Trailing Arm Wheel Suspension has the following specifications: Fitting Position: R; Fitting Position: H; Fitting Position: U; Fitting Position: VA; Length [mm]: 287 mm; Bore Diameter [mm]: 6 mm. Check the full specifications table above for complete details.
What OE part numbers does this Control Trailing Arm Wheel Suspension replace?
This Control Trailing Arm Wheel Suspension replaces OE part numbers: 31122347952, 31122347965, 31124028608, 31126760182, 31126768298. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Control Trailing Arm Wheel Suspension cost?
This OPTIMAL Control Trailing Arm Wheel Suspension is available for £66.99. Control Trailing Arm Wheel Suspension 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 Control Trailing Arm Wheel Suspension?
Regular inspection of your Control Trailing Arm Wheel Suspension 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 Control Trailing Arm Wheel Suspension?
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 Control Trailing Arm Wheel Suspension fitted by a professional mechanic.
Can I use this part as a replacement for OE 31122347952?
Yes, this OPTIMAL Control Trailing Arm Wheel Suspension is a direct replacement for OE part number 31122347952. 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.
