H&R Sport Springs are a progressive rate lowering spring kit that lowers the center of gravity to reduce body roll and trim the fender gap while keeping a comfortable ride. The springs are made from (hf) 54SiCr6 spring steel, shot-peened, and each one is tested before it leaves the ISO 9001 certified H&R plant in Germany. This kit lowers the car approx. 1.2 in front and rear, or approx. 0.75 in on cars with factory sport suspension.
Specifications
| Type | Lowering spring kit |
| Line | Sport Spring |
| Chassis | E89 |
| Approx. Front Lowering | approx. 1.2 in (without sport suspension); approx. 0.75 in (with sport suspension) |
| Approx. Rear Lowering | approx. 1.2 in (without sport suspension); approx. 0.75 in (with sport suspension) |
| Spring Rate Type | Progressive |
| Material | (hf) 54SiCr6 spring steel, shot-peened |
| Notes | Lowering varies on cars with factory sport suspension (M-Technik and similar) |
| Fitment Notes | Z4 sDrive30i, Z4 sDrive35i, Z4 sDrive35is: w/o sport suspension; Z4 sDrive30i, Z4 sDrive35i, Z4 sDrive35is: w/ sport suspension; Lowering height will vary on vehicles with factory sport suspensions such as BMW M-Technik, Mercedes-Benz Sport-line suspension, Audi-Sport suspension, etc. |
| What's in the Box | Front and rear springs (kit) |
| Install | Professional installation by a suspension mechanic; original bump stops, dust boots and other OEM parts are re-used |
| Alignment | Wheel alignment check required after install |
| Front Lowering | 0.75 / 1.2 in (approx., varies by model) |
| Rear Lowering | 0.75 / 1.2 in (approx., varies by model) |
| Quantity | 1 |
| Warranty | Lifetime of vehicle ownership (original purchaser; ends if product discontinued) |
| Part Number | 28987-1 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2011 | BMW | Z4 | sDrive30i |
| 2009-2016 | BMW | Z4 | sDrive35i |
| 2011-2016 | BMW | Z4 | sDrive35is |
Documents: Technical Information Sheet (PDF)
How much does this kit lower the car?
- Front: approx. 1.2 in (without sport suspension); approx. 0.75 in (with sport suspension). Rear: approx. 1.2 in (without sport suspension); approx. 0.75 in (with sport suspension). Ride height varies with factory options and suspension.
Which vehicles does it fit?
- 6-cylinder Z4 sDrive30i, sDrive35i, sDrive35is; not listed for the 4-cylinder sDrive28i. See the fitment table for years and models.
Is an alignment needed after install?
- Yes. Have the wheel alignment checked after changing ride height; installation by a professional suspension mechanic is recommended.
Are the original bump stops reused?
- Yes. The original bump stops, dust boots and other OEM parts are re-used and must be in like-new condition.
What warranty applies?
- Lifetime of vehicle ownership for the original purchaser; it ends if the product is discontinued.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty






