RB BMW N54 E82 E90 E91 Coolant To Block Interface Adapters inc. 135i, 335i and 535i
Build your custom BMW N54 turbo setup the right way with the RB Turbo Coolant To Block Interface Adapters. Perfect for custom single turbo and twin turbo conversions on N54 engines, these CNC machined T6061 aluminium fittings provide a reliable coolant line to engine block solution with -6AN compatibility. Anodised black for durability and a clean OEM-plus look, each adapter includes a new O-ring for a leak free seal.
These RB N54 coolant adapters are the go to choice for enthusiasts and professional builders who need dependable N54 coolant to block fittings for custom turbo plumbing, custom single turbo kits and bespoke twin turbo configurations on platforms like 135i, 335i and 535i. We have installed these on N54 projects and they have been consistently praised by customers for straightforward fitment and dependable performance.
Why choose these RB N54 coolant adapters
- CNC machined from T6061 aluminium for precision and strength
- Anodised black finish for corrosion resistance and a premium look
- -6AN configuration for easy integration with AN coolant lines and block off caps as applicable
- Each adapter supplied with a new O-ring for a secure, leak resistant seal
- Purpose built for custom N54 single turbo and twin turbo applications
Important notes:
- These offer no advantage for OEM or hybrid turbos that already have working factory plumbing. They are primarily intended for custom turbo applications.
- The upper front to block adapter and the coolant neck adapters are identical. The only unique piece of the four is the rear upper block interface adapter.
- Use clean engine oil on the O-rings to help slide the adapters into position during installation.
What is included
- 3 x Neck style coolant adapters
- 1 x Rear upper long style coolant to block adapter
Compatibility, BMW N54 models
- BMW E82 and E88 135i
- BMW E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, E93 LCI 335i, 335ix, 335is
- BMW E60 LCI and E61 LCI 535i, 535ix
- BMW E71 X6 35ix
- BMW E89 Z4 35i, 35is
- BMW F01 740i
- BMW F02 740Li
- BMW M Coupe with N54
Fitting and support
Professional installation is recommended for custom turbo plumbing and coolant line routing on the N54 engine. For fitting at Nforcd in Warwickshire, request a quote at Sales@nforcd.com.
Compatibility check before dispatch
We verify fitment prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility with your BMW N54 model.
Manufacturer and warranty
Manufactured by: Rob Beck, RB Turbo
Warranty: Rob Beck does not offer a warranty on this item.
Part number
RB05
SEO friendly details and common searches
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