Sturdy & Durable Built: Our Air Bag Suspension Compressor are made of aluminum iron, alloy and rubber, combined with advanced sol technology, with strong acid & corrosion resistance and longer life Provide Air to the Air Suspension Spring: Our Air Compressors can provide air to the integral components of vehicle air ride suspension, keeping air springs and air shocks inflated to a necessary height, improves vehicle driving stability Applicable Models & Years: This Air Suspension Compressor is compatible with BMW 740e xDrive 2017-2019, Compatible with BMW 740i 2019, Compatible with BMW 740Le xDrive 2017 L4 2.0L, Compatible with BMW 740i 2016-2020, Compatible with BMW 740i xDrive 2017-2020, Compatible with BMW 745e/745e xDrive/745Le xDrive 2020, Compatible with BMW 750i 2016 L6 3.0L, Compatible with BMW 750i/750Li 2016-2019, Compatible with BMW 750i xDrive 2016-2020, Compatible with BMW 750Li xDrive/Alpina B7 2017-2020 V8 4.4L, Compatible with BMW M760i xDrive/M760Li xDrive 2017-2020 V12 6.6L Reference Part Number: Each air suspension compressor is thoroughly tested to make sure OE fit. Replacement for 4154039200, 4154034300, 4154033180, 37206861882, 37206884682 Package Included: 1 x air suspension compressor with bracket, 1 x Valve Block, Replaces the air compressor of your car directly and equal the old quality. As the instruction manual is not included, so we recommend you professionally assemble to maximize the performance of our product Air Suspension compressor