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Rein Secondary Air Pump

The secondary air injection system is an emission control device that introduces fresh air into the engine to prevent high emissions during startup. Turner Motorsport has all of the SAI parts you will need to get your BMW emissions compliant.
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Secondary Air Injection Hose - Pump To Valve
Secondary Air Injection Hose - Pump To Valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat! This fits the N51 SULEV Engine Only
Rein - Corporate Logo
T#:594379
Part#: 11727557910
In Stock
Sale - Save 5% $ 35.99

This product was last offered at the strikethrough price on
06-29-2026

$ 34.19 USD
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$ 35.99

This product was last offered at the strikethrough price on
06-29-2026

$ 34.19 USD
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Connects the air pump to the cold start valve.
Rein Secondary Air Pump - Pressure Hose - E39
Rein Secondary Air Pump - Pressure Hose - E39
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:591850
Part#: 11721435456
Ships in 3 Business Days
Sale - Save 5% $ 23.99

This product was last offered at the strikethrough price on
06-29-2026

$ 22.79 USD
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$ 23.99

This product was last offered at the strikethrough price on
06-29-2026

$ 22.79 USD
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Located in the drivers side wheel well
Rein Air Pump Hose - Z3
Rein Air Pump Hose - Z3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:592970
Part#: 11721432867
Back Ordered
Sale - Save 5% $ 90.99

This product was last offered at the strikethrough price on
06-29-2026

$ 86.44 USD
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Sale - Save 5%
$ 90.99

This product was last offered at the strikethrough price on
06-29-2026

$ 86.44 USD
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Replace your leaking emissions hose
Rein Crankcase Ventilation Hose - E34, E36
Rein Crankcase Ventilation Hose - E34, E36
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:379698
Part#: 11151726828
Ships in 3 Business Days
Sale - Save 5% $ 9.17

This product was last offered at the strikethrough price on
06-29-2026

$ 8.71 USD
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$ 9.17

This product was last offered at the strikethrough price on
06-29-2026

$ 8.71 USD
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Connected to valve cover connector
Pressure Hose
Pressure Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:362278
Part#: 11727555680
In Stock
Sale - Save 40% $ 26.99

This product was last offered at the strikethrough price on
06-05-2026

$ 16.14 USD
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$ 26.99

This product was last offered at the strikethrough price on
06-05-2026

$ 16.14 USD
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Runs from the air pump to the solenoid valve
Secondary Air Injection Hose - Pump To Valve E53 X5
Secondary Air Injection Hose - Pump To Valve E53 X5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:33980387
Part#: 11721438102
Ships in 3 Business Days
Sale - Save 8% $ 16.99

This product was last offered at the strikethrough price on
06-29-2026

$ 15.58 USD
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Sale - Save 8%
$ 16.99

This product was last offered at the strikethrough price on
06-29-2026

$ 15.58 USD
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E53 X5 Secondary Air Injection Hose - Pump To Valve is a crucial component designed to ensure the proper functioning of your vehicle’s secondary air injection system. This hose connects the air pump to the valve, allowing the system to inject air into the exhaust stream for improved emissions control. Crafted from durable, heat-resistant materials, this hose is engineered to withstand the extreme temperatures and pressures of the engine bay. Available at Turner Motorsport, it’s the ideal replacement for maintaining your BMW E53 X5’s emissions performance and ensuring compliance with regulatory standards.

  • Optimizes secondary air injection, reducing harmful emissions and improving exhaust performance
  • Manufactured with high-quality, heat-resistant materials for long-lasting durability
  • Direct fit replacement, ensuring easy installation and compatibility with OEM specifications
  • Supports emission control systems, helping your vehicle meet emissions regulations
  • Helps prolong the life of the exhaust system by promoting better combustion during cold starts

Turner Motorsport provides the E53 X5 Secondary Air Injection Hose - Pump To Valve by Rein as a reliable solution to maintain your vehicle’s emissions system and overall engine efficiency.

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