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Designed and engineered for the enthusiast, this conversion kit offers a complete, plug-and-play upgrade to the A/C system in the E28 to R134a using a modern Sanden compressor, CSF parallel flow condenser, R134a expansion valve, new R134a lines, and all the necessary supporting brackets. This upgrade will result in colder A/C vent temperatures, less strain on the engine, and a more efficient and durable A/C system.

Which condenser and fan should I choose?
For a complete and proper conversion, we strongly recommend using our new high-performance CSF parallel flow condenser and SPAL fan combo for the most efficient A/C system. However, if you are planning to use your original condenser and fan, select the "None" option.

What if my E28 didn't come factory with A/C?
Our products are designed to support factory A/C models; however, they can be fitted into non-A/C applications, but you will need to obtain a factory HVAC wiring harness, both interior lines, evaporator, aluminum engine accessory bracket [to mount our compressor bracket], and factory interior HVAC box with sensors, control module, thermostat, etc.

What’s in the box?

• Genuine Sanden SD5H14 [508] compressor
• A/C Solutions Sanden compressor bracket
• A/C Solutions x CSF parallel flow condenser w/ SPAL 13" curved blade fan and hardware [optional]
  
• Low-pressure suction line [bulkhead to compressor]
• High-pressure discharge line [compressor to condenser]
• High-pressure condenser return line [condenser to drier]
• High-pressure drier return line [drier to bulkhead]
• OE R134a filter drier
• R134a expansion valve
• High-pressure cut off switch
• New v-belt
• R134a high-pressure adapter fitting
• Compressor mounting hardware
• Model specific R134a o-ring kit
• R134a retrofit label
• Wiring kit and misc. hardware
• Detailed installation instructions [view]

Fitment notes:

• This kit is not compatible with the 524td.
  
• Models fitted with fuel coolers will have to be capped and removed.
  
• For the 533i, BMW engine accessory bracket 64521284953 will be required to support the Sanden compressor bracket.
  
• For the 528e [up to 09/84] and 533i, the late model condenser cover 51711929356 will be required to clear the CSF condenser.
  
• Images may not reflect all configurations of this product.

This product requires no R&D and is easily reversible using professionally engineered components, OEM-like hardware, and durable replacement parts resulting in a trouble-free installation that can be completed in 4-6 hours by a professional or at home without a lift. It is designed to fit both stock and euro headers while providing ample clearance around the factory oil lines and OEM brake ducting/undertray.

This kit assumes your vehicle is stock and still retains all original equipment. Proper functionality of the evaporator, wiring harness, system electronics, and HVAC sensors is/are required for a fully functional system.