Bilstein 38-129223 BMW E46 B3 OE Replacement Rear Coil Spring
Looking for a high quality BMW E46 rear coil spring replacement that restores factory ride height, comfort and handling without compromise? The Bilstein B3 OE Replacement Rear Coil Spring is the go-to choice for BMW 3 Series E46 owners who want OEM quality, long term durability and precise fitment for daily driving or spirited road use. Perfect for BMW E46 318i, 320i, 316i and 318Ci models, this rear suspension coil spring delivers true original equipment performance with Bilstein engineering.
We have fitted these Bilstein B3 springs to customer E46 cars in our own workshop and the feedback has been superb. Consistent ride height, quiet operation, excellent comfort and confident stability. If you want a BMW E46 rear suspension spring that simply fits and works, this is it.
Why choose Bilstein B3 for your BMW E46
- Uncompromising OE quality with spring design identical to BMW series production.
- Innovative designs including pigtail ends, minibloc shapes and central force design for precise spring response and packaging.
- Premium chrome vanadium or chrome silicon steel for outstanding break resistance and durability.
- Hot setting after forming helps prevent height loss over time.
- Surface compression and protective coating for long service life and corrosion resistance.
- Direct fit on the rear axle, ideal as an OE replacement rear coil spring for the E46 chassis.
Key search terms
Bilstein B3 rear coil spring, BMW E46 rear spring, BMW E46 OE replacement rear coil spring, E46 318i rear spring, E46 320i rear coil spring, E46 316i rear suspension spring, E46 318Ci rear spring, BMW 3 Series E46 rear axle coil spring, OEM replacement spring, suspension spring BMW E46, Bilstein 38-129223, BILSTEIN-38-129223.
Fitment and compatibility
Rear axle fitment for BMW 3 Series E46 models as listed below:
- BMW 3 Series Saloon E46 12.97 to 05.05
- 318i, 320i
- BMW 3 Series Touring E46 06.99 to 05.05
- 316i, 318i, 320i
- BMW 3 Series Coupe E46 12.98 to 07.06
- 318Ci
This part is designed as an OE quality direct replacement rear coil spring for the BMW E46 platform listed above.
Fitting position
Rear axle
Part numbers and identifiers
- Manufacturer part number: 38-129223
- Nforcd part number: BILSTEIN-38-129223
- EAN: 4025258566104
- UPC: 651860566108
Compatibility check
We will run a compatibility check prior to dispatch to confirm fitment. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will verify the part suits your exact BMW E46.
Professional fitting available
Want this installed by experts? Nforcd offers professional fitting in Warwickshire. Request a quote at Sales@nforcd.com.
Why E46 owners choose this spring
- Restores correct ride height and stance on ageing E46 suspension.
- Improves comfort and stability compared to tired or broken springs.
- Trusted Bilstein OE quality for long term reliability.
Upgrade your BMW E46 with a genuine-quality Bilstein B3 rear coil spring today for precise fitment, factory ride quality and lasting performance.