Bilstein B12 Pro-Kit 46-188106 for BMW E31 8 Series (1990-1999) - B8 Performance Dampers + Eibach Pro-Kit Springs - Sport Suspension

Bilstein B12 Pro-Kit Sport Suspension Package for BMW E31 8 Series - Part No. BILSTEIN-46-188106

Give your 90s grand tourer the chassis it deserves with this complete sport suspension package. The B12 system pairs Bilstein B8 performance shock absorbers with Eibach progressive-rate springs to deliver confident body control, crisp steering response and a tasteful ride-height drop that looks factory-plus while remaining comfortable for daily road use.

We install this setup on customer E31s and the feedback is consistently glowing: tighter turn-in, composed high-speed stability and a supple, premium ride. If you are searching for a road-focused handling upgrade for your BMW 8 Series without the compromise of height-adjustable hardware, this is the proven choice.

Why owners choose this package

• Ride height reduction: approximately 10 mm to 30 mm depending on model for a purposeful, OEM+ stance
• Real-world performance: increased cornering confidence, reduced pitch and roll, sharper steering feel
• Everyday comfort: progressive spring rates matched to Bilstein B8 dampers for composed road manners
• Engineered to work together: spring and damper set tuned as a complete system for balance and control
• TÜV approved: German quality and assurance enthusiasts trust

What you receive

• 4 x Bilstein B8 high-performance dampers
• 4 x Eibach Pro-Kit progressive springs
• Matched sport suspension kit ready to install

Ideal for drivers searching for

BMW E31 sport suspension kit, BMW 8 Series shock and spring package, uprated dampers for 8 Series, fixed-rate suspension upgrade, street performance suspension for E31, BMW 840 ride height drop, BMW 850 handling upgrade, V12 850CSi chassis improvement, Bilstein B8 shocks with Eibach springs, sport shocks and springs for classic BMW coupe, road-friendly alternative to height-adjustable kits.

Compatibility

BMW 8 Series E31 (01/1990 to 12/1999): 840i, 840Ci, 850i, 850Ci, 850CSi.

Technical highlights

• Gas-pressure damper technology
• Matched spring and damper calibration for the E31 chassis
• Monotube or upside-down construction on select applications

Why choose this over height-adjustable kits

Many owners consider adjustable coil kits for stance. For fast-road use, this fixed-rate Bilstein and Eibach pairing delivers precise control, excellent ride quality and long-term reliability without the upkeep or harshness often associated with fully adjustable setups.

Fitting and alignment

Professional installation is recommended. For UK fitting, book with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Fitment check before dispatch

We verify compatibility before shipping. Please provide your UK registration or the last 7 digits of your VIN at checkout so we can confirm the correct application for your E31.

Part numbers

• Part number: BILSTEIN-46-188106
• EAN: 4025258676940
• UPC: 651860675343

Brand

Bilstein dampers paired with Eibach springs as part of the B12 Pro-Kit system.

Popular search phrases

BMW 8 Series E31 sport chassis, E31 shocks and springs set, 840Ci suspension pack, 850Ci suspension refresh, 850CSi sport springs and dampers, Bilstein B8 shock kit for E31, Eibach Pro-Kit for BMW 8 Series, BMW E31 lowering set, classic BMW 8 Series handling upgrade, Bilstein 46-188106.