RMJ Developments
Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from RMJ Developments, Motor Vehicle Company, Reading.
20/02/2026
BMW M57N2 306D5 OEM+
Dual CP3
R2 Camshafts
Port & Polished Cylinder Head
Cooling Mods
D5 Block with 4mm Ductile Liners
60% Stiffer Valve Springs
100%+ GKR Injectors
K26 Hybrid GP500
ARP Mains
ARP Rod Bolts
ZF 8HP70 βοΈ
11/12/2025
2010 BMW E92 335d
βοΈ ZF8 Conversion CANformance Engineering
π Pulsar Turbo
π GKR Performance
π‘ Updated Lights
β° Digital Dials
Tuning & More Hardware in store for this unique build next year, watch this spaceβ¦
01/12/2023
BMW M57 Head Studs - Pre Release Orders
RMJ Developments are proud to bring a much needed solution to the market, A Superior Head Stud kit that is suitable for BMW 3.0L M57N2 / TΓ2 Engines. This is a complete direct replacement kit for the OEM Bolts
Kit Contents:
- 14 x Studs
- 14 x 12 Point Nuts
- 14 x Washers
- Installation Grease (Molybdenum Disulfide EP)
The material choice is H-13 Tool Steel. Which have rolled threads, Cosworth inspired tips, are Heat Treated and finally Micro polished.Yeild tested to 280,000psi+
The 12 Point Nuts and Oversized Washers are CNC machined from 4140 chrome moly bar, then hardened to HRC 45 and then plated for a friction surface and appearance finish.
Β£495.99 + Postage
There will be limited quantities available so please send the page a message for Reservations & Orders now
14/10/2023
BMW 335d/535d/635d Billet CNC CCV Delete Plate
Functional with M57N/M57N2 M47N/M47N2 Engines.
CNC Aluminium Plate, Plated & with M18x1.5 threaded hole for an array of fittings, AN12 screw in adapter included. AN fitting take off for plumbing suitable pipework to catch-can or replacement/upgraded CCV system. Fitment screws included
Β£89.99 Delivered π¬π§
04/10/2023
BMW 3.5β 335d | 535d | 635d Downpipes
π§ Compatibility
BMW 335d E90/E91/E92/E93 (2006-2011)
BMW 535d LCI E60/E61 (2007-2009)
BMW 635d E63/E64 (2006-2010)
Β£364.99 Delivered π¬π§
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19/08/2023
2004 BMW E46 330cd - βοΈ 6 Speed
Supplied & Fitted
Complete E90 Hybrid Turbo Conversion
3β Stainless Intake | Velocity Stack
3β Stainless Downpipe
2.5β Intercooler Harpipes
Upgraded Intercooler Core
535d (219) Injectors
CCV Delete Plate & Catchcan
EGR Delete Pipe
GKR Performance Bespoke ECU Calibration
Great results reported today, the owner visited a reputable independent dyno for measurement.
392.4BHP | 860NM
π₯ Video in comments
05/04/2023
A project in progress thatβs been with us recently
2004 BMW E46 330cd - βοΈ 6 Speed
Supplied & Fitted
Complete E90 Hybrid Turbo Conversion
3β Stainless Intake | Velocity Stack
3β Stainless Downpipe
2.5β Intercooler Harpipes
Upgraded Intercooler Core
535d (219) Injectors
CCV Delete Plate & Catchcan
EGR Delete Pipe
Bespoke ECU Calibration
This build is coming along strong with current data logs, aiming for software completion over the next few days. We will then get an independent measurement for the owner. Stay Tunedβ¦ π
09/03/2023
Performance Package - BMW E90 335d -
Supplied & Fitted
K26 GTX3576R Hybrid turbo
Upgraded Hybrid small turbo
Dual CP3 HPFP Kit
3.5β Intake / Filter
M50d RPS
DRV30
Bespoke ECU Calibration
Please feel free to contact the page should you wish for a similar package or details on services currently offered.
27/02/2023
Another one of our Dual CP3 HPFP Kits being installed on a E90 335d β
Once completed, the car will next feature our Hybrid Turbos and suitable Software calibration and Tuning.
Feel free to get in touch should you have any questions or queries regarding our products & services π
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