Bilstein 36-313228 B3 Rear Coil Spring OE Replacement for BMW 3 Series E90 Saloon (2004-2012), Rear Axle Fits 325i 330i 335i 325d 330d 335d

Bilstein B3 rear suspension coil for BMW 3-Series E90 Saloon | Part number 36-313228

Give your E90 its factory composure back with this Bilstein B3 stock-spec back spring. Built to original equipment standards for the BMW 3-Series saloon (E90, 2004 to 2012), it restores the correct ride height, cushioning and stability you expect from a well-sorted 3-Series. Precise fit, dependable durability and that planted feel come as standard with Bilstein.

At MJ Modifications we have installed these on countless E90s and owners consistently report a smooth, quiet ride and confident handling after replacing tired or cracked coils. Whether you are fixing a broken rear spring, refreshing ageing suspension or preparing for an MOT, this is the trusted choice for long-term reliability.

Why this Bilstein spring is a smart upgrade

• Direct swap on the back axle with no modification required
• Maintains factory height and original driving characteristics
• High-tensile chrome vanadium or chrome silicon steel resists fracture
• Hot set after forming to minimise sag over time
• Surface compression and tough coating enhance corrosion resistance and service life
• OE-level engineering consistency for BMW E90 suspension renewal

Applications

Chassis: BMW 3-Series E90 Saloon, 02/2004 to 02/2012

Rear position: Back axle

Engine variants: 325i, 330i, 335i, 325d, 330d, 335d

Part identifiers

Bilstein reference: 36-313228

EAN: 4025258864675

UPC: 651860871868

Fitting advice

• Replace rear springs in pairs for balanced handling and even ride height
• Tighten suspension fasteners at normal ride height for best results
• We can verify fitment before dispatch. Add your UK registration or last 7 of VIN at checkout

Professional installation

Want it fitted properly first time? Book MJ Modifications in Warwickshire for expert installation to manufacturer standards. Request a quote at info@mjmodifications.co.uk.

What owners search for

BMW E90 back spring, E90 rear suspension coil, BMW 3-Series saloon spring replacement, factory height BMW 3-Series spring, stock spec rear coil E90 325i 330i 335i 325d 330d 335d, Bilstein B3 36-313228, BMW 3-Series 2004 2005 2006 2007 2008 2009 2010 2011 2012 rear spring, E90 saloon broken coil fix, BMW rear suspension refresh, OE quality BMW spring, replacement spring for BMW E90 sedan, Bilstein rear spring for BMW 3-Series E90, MOT rear spring failure remedy, BMW 3-Series back axle spring, OEM grade suspension coil for E90.