Bilstein B3 36-129171 Front Suspension Coil Spring for BMW 5 Series E39 (1995-2004) – OEM/OE Replacement Front Axle Strut Spring, Stock Ride Height – Fits 528i 530i 535i 540i 530d – Saloon/Sedan & Touring/Estate

BILSTEIN B3 36-129171 OEM‑grade Front Strut Spring for BMW 5‑Series E39

Refresh the front end of your BMW 5‑Series E39 with this genuine‑quality Bilstein B3 helical spring. Built to match factory specification, part number 36-129171 restores correct ride height, comfort and confident handling on UK roads. Perfect for replacing a tired, sagging or snapped spring on petrol and diesel models from 1995 to 2004, including 528i, 530i, 535i, 540i and 530d in both saloon and estate body styles.

At MJ Modifications we have fitted these on our own cars and customer vehicles with superb long‑term results. Ride quality returns to stock, steering feels precise and the car sits level again. If you want an original‑spec fix that just fits and works, this Bilstein B3 front strut spring is the smart choice.

Why it is the right choice

• Original‑spec geometry for the E39 front end to maintain factory driving dynamics
• Restores standard ride height for proper alignment and even tyre wear
• Smooth, quiet operation with stable, predictable handling
• Premium materials and finishing for durability in all UK weather conditions

Engineering highlights

• Precisely formed spring profiles including pigtail and minibloc designs where required by OE spec
• High‑strength chrome vanadium or chrome silicon spring steel for excellent resistance to breakage
• Hot‑set after forming to minimise height loss and combat sag over time
• Surface compression and protective coating for corrosion resistance and long service life
• OE‑matching characteristics for a like‑for‑like replacement

Fitment information

• Position: Front axle
• Platform: BMW 5‑Series E39
• Model years: 1995 to 2004
• Engines and trims: 528i, 530i, 535i, 540i, 530d
• Body: Saloon and Estate

Part numbers

• Bilstein P/N: BILSTEIN-36-129171 | 36-129171
• EAN: 4025258566012
• UPC: 651860566016

Compatibility check

We will confirm suitability before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout to ensure this Bilstein B3 front spring matches your E39.

Fitting and installation

Professional fitting recommended. Book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk and our team will take care of the rest.

Why buy from MJ Modifications

• We have installed these springs on numerous E39s with consistently excellent feedback
• Trusted advice and support from enthusiasts who know the platform
• Fast UK shipping and careful packaging

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