Bilstein B3 Front Coil/Strut Spring 37-299071 / BILSTEIN-37-299071 for BMW X5 E70 (2006-2013) | OEM Spec Front Axle Suspension Road Spring | Fits xDrive 30d 40d 30i 35i 48i | Standard Ride Height Left/Right

Bilstein B3 Front Road Spring for BMW X5 E70 | Part Number 37-299071

Bring your E70 back to its proper stance and restore crisp steering feel with this Bilstein B3 front helical spring, part number 37-299071 / BILSTEIN-37-299071. Ideal when the original front spring has cracked, sagged or failed an MOT, this OE-spec replacement delivers factory ride comfort and front end stability on your BMW X5 E70 without compromising durability.

We fit these B3 springs to customer X5s and they do exactly what owners want – correct ride height, quiet operation and confident handling. Feedback from our workshop and customers has been consistently positive for fitment accuracy and long service life.

What makes it a smart choice

• OE-rate and length for stock ride height and predictable handling on the front axle
• Precision wound from high strength chromium vanadium or chromium silicon steel for outstanding resistance to breakage
• Hot set after forming to minimise height loss over time
• Surface compression treatment and protective coating for corrosion resistance
• Engineered spring shapes including pig-tail and minibloc designs where required for exact fit
• Direct replacement that fits the original top mount and lower perch with no modification

Vehicle coverage

Designed for the BMW X5 E70 platform, model years 2006 to 2013, front position.

• Front axle fitment – left or right
• Compatible trims include: xDrive 30i, 3.0 si, xDrive 35i, xDrive 40i, xDrive 48i, 3.0 3.0d, xDrive 30d, 3.0 d, xDrive 40d

Great for solving

• Sagging nose and uneven stance
• Broken or cracked front spring
• Knocks from the front strut area
• MOT advisory or failure for suspension spring condition

Fitting advice

• Replace in axle pairs to keep corner weights and ride height balanced
• Inspect top mounts, bearings and isolators during installation
• Have four wheel alignment checked after suspension work

Professional installation

Want it fitted properly first time? MJ Modifications in Warwickshire offers expert suspension fitting. Request a quote at info@mjmodifications.co.uk.

We check compatibility

Before dispatch we can confirm fitment for your vehicle. Add your UK registration or last 7 digits of your VIN at checkout and our team will verify this front spring suits your X5 E70.

Part identifiers

• Manufacturer: Bilstein
• Series: B3 replacement spring
• Part number: 37-299071 / BILSTEIN-37-299071
• EAN: 4025258849498
• UPC: 651860857589

Search-friendly terms buyers use

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Why buy from us

Proven on our own builds and customer cars, this Bilstein B3 front road spring restores the factory feel and keeps your X5 driving as it should. Reliable, OE-level quality and a proper fit for stress-free installation.