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Elring 702.230 Engine Cylinder Head Bolt Set
| Brand | Elring 702.230 |
|---|---|
| Bolt Head-/Nut Design | Male Torx |
| Number of bolts/screws | 18 |
| Thread Size 1 | M 9x70/30 |
| Thread Size 2 | M 11x173 |
| Fits | BMW · 15 vehicles |
Cylinder head bolt set. Male Torx design for secure engine assembly.
Includes 18 bolts for a complete replacement set.
Thread sizes are specified for precise fit and installation.
Cross-references 11 12 7 853 937 and 81064800 for the same application. See all 2.
Elring Cylinder Head Bolt Set for BMW
Elring 702.230 is an engine cylinder head bolt set built for BMW applications that require precise thread sizing and a Male Torx head/nut design. It is a direct-fit hardware solution for BMW M3, M4, M2, M240i, and ActiveHybrid 3 applications listed below.
Key Features
- Engine cylinder head bolt set from Elring
- Part number: 702.230
- Male Torx bolt head/nut design
- Thread Size 1: M 9x70/30
- Thread Size 2: M 11x173
- Engine hardware for BMW cylinder head service
- Cross-reference: BMW 11 12 7 853 937, 81064800
Detailed Description
Elring 702.230 is specified for BMW engine service where cylinder head fastener replacement is required. The bolt design uses Male Torx engagement and the listed thread dimensions, making it a precise hardware match for the supported BMW M3, BMW M4, BMW M2, BMW M240i, and BMW ActiveHybrid 3 applications. If you are searching for an Elring 702.230 cylinder head bolt set for BMW M3 or BMW M4 engine repair, this part matches the fitment data provided.
What This Part Helps Address
- Replacing stretched or removed cylinder head bolts during engine service
- Restoring proper fastener specification after head gasket work
- Matching the correct Male Torx cylinder head bolt design
- Resolving thread-size mismatch during BMW engine reassembly
- Supporting accurate cylinder head hardware replacement on BMW M3 and BMW M4 applications
Installation Notes and Tips
- Verify engine code and fastener specification before installation.
- Confirm the listed thread sizes and Male Torx head/nut design against the original hardware.
- Follow BMW service procedures for tightening sequence and torque specifications.
- Inspect mating surfaces and related engine components before reassembly.
- Use the fitment notes for 2015-2017 BMW M3 and 2015-2017 BMW M4, which list Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx.
Quality Assurance
Elring is a recognized engine sealing and hardware brand used in automotive repair applications. Part number 702.230 is listed with direct BMW fitment data and OE cross-reference numbers for application matching.
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | BMW | M240i | Coupe | Coupe | RWD | 3.0L | L6 | — | N/A | — |
| 2020 | BMW | M240i | Coupe | Coupe | RWD | 3.0L | L6 | — | N/A | — |
| 2020 | BMW | M4 | — | — | — | 3.0L | L6 | GAS | N/A | — |
| 2019 | BMW | M4 | — | — | — | 3.0L | L6 | GAS | N/A | — |
| 2018 | BMW | M3 | — | — | — | 3.0L | L6 | GAS | N/A | — |
| 2018 | BMW | M4 | — | — | — | 3.0L | L6 | GAS | N/A | — |
| 2017 | BMW | M2 | Coupe | Coupe | RWD | 3.0L | L6 | — | N/A | — |
| 2017 | BMW | M3 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2017 | BMW | M4 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2016 | BMW | M3 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2016 | BMW | M4 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2015 | BMW | ActiveHybrid 3 | Base | Sedan | RWD | 3.0L | L6 | — | N/A | — |
| 2015 | BMW | M3 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2015 | BMW | M4 | — | — | — | 3.0L | L6 | — | N/A | Thread Size: M9x30/70 M11x173; Thread Pitch: 1.5mm; Bolt Head Nut Design: Male Torx |
| 2014 | BMW | ActiveHybrid 3 | Base | Sedan | RWD | 3.0L | L6 | — | N/A | — |
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