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Description

BMW E93 M3 Convertible with EDC (08-13) BC Racing RM coilover kit 6/10 kg/mm

The BC Racing RM coilover kit M3 E93 EDC (part number I-153-RM-MA) is a coilover kit adjustable in height and damping, also simply called a coilover, for the BMW M3 E93 Convertible with EDC, model years 2008 to 2013; according to BC Racing, an EDC delete kit is required. The spring rate is 6 kg/mm front and 10 kg/mm rear.

BC Racing’s RM series is made for track days, hill climbs and tarmac rally. On MacPherson struts BC Racing uses an inverted monotube, on other suspensions an upright monotube, in each case filled with fully synthetic oil with a very high viscosity index.

This version is intended for the M3 E93 Convertible with EDC, BMW’s electronic damper control. Because the kit replaces the EDC dampers, BC Racing specifies an EDC delete kit; that kit is not included and BC Racing does not sell it. If you are mainly thinking of road use, look at the BR kit I-153-BR-RA first.

Key benefits

• Inverted monotube on MacPherson struts: the design that sets the RM series apart.
• Digressive piston: plenty of control over slow body movements such as roll and dive.
• Fully synthetic oil: with a very high viscosity index, so the oil changes less as it warms up.
• 30-click damping adjustment: you set compression and rebound together.
• Spring rate 6/10 kg/mm: the same springs as the BR kit for the M3 E93 with EDC.
• Pillowball top mounts at the front: or camber plates at the front; the rear keeps the rubber or original mounting.
• Infinitely adjustable ride height: via the damper body.
• Rebuildable: the dampers can be rebuilt.

Suitable for

BMW M3 E93 Convertible with EDC, rear-wheel drive, model years 2008 to 2013, in combination with an EDC delete kit (not included); not for the E93 without EDC and not for the M3 E90 Sedan and E92 Coupe

• Track days and circuit training with the M3 Convertible
• Hill climbs and tarmac rally
• A track-focused build in which the EDC is removed

Technical specifications

• Manufacturer: BC Racing
• Part number: I-153-RM-MA
• Series: RM, for track days, hill climbs and tarmac rally
• Version: for the M3 E93 with EDC; EDC delete kit required, not included
• Spring rate front/rear: 6/10 kg/mm
• Damper design: inverted monotube on MacPherson struts, upright monotube on other suspensions; fully synthetic oil with very high viscosity index
• Damping: 30 clicks, compression and rebound simultaneously, digressive
• Ride height: infinitely adjustable via the damper body
• Top mounts: pillowball top mounts or camber plates at the front, rubber or original mounting at the rear
• Contents: dampers and springs front and rear, lower mounts, top mounts where applicable, adjustment spanners and warranty card with serial number
• Warranty: 1 year on manufacturing defects; noise from track use is not covered by the warranty

Fitting and delivery

The kit is vehicle-specific and replaces the original dampers and springs. We recommend having it fitted by an experienced mechanic. According to BC Racing, an M3 E93 with EDC requires an EDC delete kit; that kit is not in the box and is not available from BC Racing. BC Racing advises periodic greasing of the RM and ZR series and recommends them less for road use than the BR, DS, ER or ZX. After setting the ride height, have the alignment checked, because camber and toe change as well. The delivery time is 1 to 2 weeks as long as the manufacturer has stock. If BC Racing is temporarily sold out of the kit, you can still order and we will let you know the expected delivery date.

The BC Racing RM kit I-153-RM-MA for the BMW M3 E93 Convertible with EDC combines a digressive piston with fully synthetic oil and springs of 6 kg/mm front and 10 kg/mm rear.

Why choose this RM coilover kit M3 E93 EDC?

Anyone who regularly takes an M3 E93 to the track or a hill climb wants damping that feels the same session after session. The RM series is designed for that, with fully synthetic oil and a digressive characteristic. You do give up some road comfort and ease of maintenance: BC Racing advises periodic greasing and sees the BR as the better choice for daily driving.

BC Racing coilover kits for the BMW M3 E93 with EDC

Overview of the BC Racing series for the BMW M3 E93 with EDC supplied by Race4DriftParts, with the BC Racing part number. Spring rates in kg/mm, front/rear.

For the BMW M3 E93 without EDC, BC Racing has separate kits. Their part numbers start with I-154.

Frequently asked questions

Is the BC Racing RM coilover kit I-153 suitable for every BMW M3 E93?

No, the kit is only for the M3 E93 Convertible with EDC from model years 2008 to 2013, and then together with an EDC delete kit. For the E93 without EDC, BC Racing supplies the BR kit I-154-BR-RA. The M3 E90 Sedan and E92 Coupe have their own kits.

When should you choose the BC Racing RM instead of the BR for the BMW M3 E93 with EDC?

Choose the RM if your car is mainly used for track days, hill climbs or tarmac rally. The RM coilover kit M3 E93 EDC has a digressive piston and fully synthetic oil, while the BR with a linear piston is tuned more for road use. BC Racing recommends the RM less for the road and advises periodic greasing.

Does the BC Racing RM coilover kit for the M3 E93 need maintenance?

Yes, BC Racing advises periodic greasing of the RM series. The dampers are also rebuildable, so they can be rebuilt after intensive track use. Noise that arises from track use is not covered by the warranty.

How long is the delivery time of the BC Racing RM coilover kit for the BMW M3 E93 with EDC?

Expect 1 to 2 weeks as long as the manufacturer has stock. If BC Racing is temporarily out of stock of the kit, you can still order it and we will let you know when it will be delivered.

Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.