How to remove the Fuel Injector, Fuel Pressure Regulator and Fuel Rail on BMW Z4?

For 2003 and later 325i models with M56 engines, special tools are needed to remove the fuel rail and injectors. Depressurize the fuel system and disconnect the negative battery terminal cable. For M52TU engines, remove the cabin filter cover and housing, and the trim panel. Disconnect the fuel regulator vacuum hose and air intake temperature sensor wiring connector. Remove the fuel rail with the injectors. To remove a fuel injector, pry off the metal securing clip and pull the injector from the fuel rail. For M54 engines, follow the same steps. The fuel pressure regulator on M52TU engines is located within the fuel tank and cannot be serviced. If defective, the fuel tank must be replaced.

Genuine BMW Z4 Fuel Rail

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8 Fuel Rails found

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BMW Z4 High-Pressure Rail
Part Number: 13537585411
$320.66 MSRP: $442.81
You Save: $122.15 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: High-pressure rail; Fuel Rail
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2012-2016 BMW Z4 | sDrive28i(E89)
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BMW Z4 Injection Tube
Part Number: 13537542541
$487.08 MSRP: $637.30
You Save: $150.22 (24%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Injection tube; Fuel Rail
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2006-2011 BMW Z4 | Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive30i(E89)
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BMW Z4 HIGH-PRESSURE RAIL
Part Number: 13538698787
$336.72 MSRP: $464.98
You Save: $128.26 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: HIGH-PRESSURE RAIL; Fuel Rail
- Replaced by: 13538665631
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2020 BMW Z4 | M40i(G29)
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BMW Z4 HIGH-PRESSURE RAIL
Part Number: 13538665633
$336.72 MSRP: $464.98
You Save: $128.26 (28%)
ADD TO CART
Product Specifications
- Other Name: HIGH-PRESSURE RAIL; Fuel Rail
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2024 BMW Z4 | 4 Cyl 2.0 L GAS, sDrive30i(G29)
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BMW Z4 HIGH-PRESSURE RAIL
Part Number: 13538665631
$336.72 MSRP: $464.98
You Save: $128.26 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: HIGH-PRESSURE RAIL; Fuel Rail
- Replaces: 13-53-8-698-787
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2020-2024 BMW Z4 | 6 Cyl 3.0 L GAS, M40i(G29)
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BMW Z4 High-Pressure Rail
Part Number: 13537575480
$320.66 MSRP: $442.81
You Save: $122.15 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: High-pressure rail; Fuel Rail
- Replaces: 13-53-4-548-603
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2016 BMW Z4 | sDrive35i(E89), sDrive35is(E89)
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BMW Z4 High-Pressure Rail
Part Number: 13538665635
$336.72 MSRP: $464.98
You Save: $128.26 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: High-pressure rail; Fuel Rail
- Replaces: 13-53-7-643-082
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2020-2024 BMW Z4 | 6 Cyl 3.0 L GAS, M40i(G29)
View related parts
BMW Z4 Injection Tube
Part Number: 13537541452
$363.00 MSRP: $437.73
You Save: $74.73 (18%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Injection tube; Fuel Rail
- Replaces: 13-53-1-437-442
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2003-2005 BMW Z4 | 2.5i(E85), 3.0i(E85)

BMW Z4 Fuel Rail

BMW Z4 Fuel Rail pressurizes gasoline and routes it to each injector to get the exact doses of fuel your engine needs to perform strongly and release clean emissions. In early Z4 models with multiport injection, the Fuel Rail is positioned on the intake runners, holds pressure moderately via a regulator, and feeds port injectors which inject just in front of the valves with the control module increasing pulse width at idle and lengthening it under load. Later BMW powerplants in the Z4 switched to gasoline direct injection using a common rail design, where the Fuel Rail becomes a highly reinforced manifold that can go above 2,000 bar, delivering an ultra fine mist directly into the combustion chambers for better vaporization, power, and efficiency. Despite the pressure jump and a mounting location closer to the cylinders, the objective of both versions is the same, move the fuel supplied by the pump steadily so that the sensors and the controller can meter it accurately. Overall, a healthy Fuel Rail maintains pressure and keeps performance from dipping. The main differences between the two styles of Fuel Rail are the construction strength, the operating pressure, and whether the fuel meets air in the intake tract or inside the cylinder, resulting in the recent setup of the BMW being the more advanced.

If you are looking for OEM BMW Z4 Fuel Rail, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW Z4 Fuel Rail that come backed by the manufacturer's warranty.

BMW Z4 Fuel Rail Parts Questions & Experts Answers

Injection Tube
13537541452
Q:
How to remove the Fuel Injector, Fuel Pressure Regulator and Fuel Rail on BMW Z4?
Posted by Roel C.
A:
For 2003 and later 325i models with M56 engines, special tools are needed to remove the fuel rail and injectors. Depressurize the fuel system and disconnect the negative battery terminal cable. For M52TU engines, remove the cabin filter cover and housing, and the trim panel. Disconnect the fuel regulator vacuum hose and air intake temperature sensor wiring connector. Remove the fuel rail with the injectors. To remove a fuel injector, pry off the metal securing clip and pull the injector from the fuel rail. For M54 engines, follow the same steps. The fuel pressure regulator on M52TU engines is located within the Fuel Tank and cannot be serviced. If defective, the fuel tank must be replaced.
Answered by BMW Parts Specialist Tony / Jan 12, 2025